Analysis
The daily briefing is the editorial surface. The newest edition is below; deeper cuts from earlier briefings follow.
Newest edition
Today's Source — Saturday, September 12, 2026
The Lead summary section was withheld by a pre-send data check — see pollingsource.com for verified data.
Read the full briefingRecent stories
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Delaware Sets September Primary
September 12, 2026
Delaware Sets September Primary Delaware has scheduled its primary for Senate and House contests on September 15, 2026. That date is more than a year off, but it marks the first concrete filing on the calendar for the...
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Florida Senate District 39: Republican Legislators Line Up Behind Rizo
September 12, 2026
Jim Boyd, Jay Trumbull endorse ‘leader’ Alex Rizo in pending Special Election for SD 39 (Florida Politics)Republican state r
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Illinois House Field: LaHood's Cash Edge Stands Out in a Crowded Delegation
September 12, 2026
Illinois House Field: LaHood's Cash Edge Stands Out in a Crowded Delegation Among the Illinois House candidates in this dataset, Republican Darin LaHood leads all fielded candidates in cash on hand with $6.75 million,...
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Connecticut Governor: Lamont Holds Commanding Lead
September 12, 2026
Connecticut Governor: Lamont Holds Commanding Lead Two new polls of the Connecticut governor's race, both completed September 8, show Democrat Ned Lamont with a substantial lead over Republican Ryan Fazio.
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Kansas: Republican Pollster Shows GOP Ahead in Both Statewide Races
September 12, 2026
Kansas: Republican Pollster Shows GOP Ahead in Both Statewide Races A co/efficient survey completed September 10 shows Republican Ty Masterson leading Democrat Cindy Holscher 51% to 43% in the Kansas governor'
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Iowa's Down-Ballot Races: Democrats Show Strength in Governor and Senate Contests
September 12, 2026
Iowa's Down-Ballot Races: Democrats Show Strength in Governor and Senate Contests Two new YouGov surveys of the Iowa governor's race, both completed September 8, show Democrat Rob Sand leading Republican Z
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New Hampshire Senate: Pappas Opens Wide Lead in Rasmussen Poll
September 12, 2026
New Hampshire Senate: Pappas Opens Wide Lead in Rasmussen Poll A Rasmussen Reports survey completed September 10 has Democrat Chris Pappas leading Republican John E. Sununu 45% to 34% in the New Hampshire Senate
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Delaware Sets September Primary
September 11, 2026
Delaware Sets September Primary Delaware has scheduled its primary for Senate and House contests on September 15, 2026. That date sits far outside the coming week, but it is the only primary currently on the calendar...
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Pennsylvania Senate: Oz Floats a Party Switch That Fetterman Hasn't Sought
September 11, 2026
Oz wants ‘unexpected star’ Fetterman to cross the aisle and become Republican (The Hill)Dr. Mehmet Oz, who lost Pennsylvania's 2022 Senate race to Democrat John Fetterman, has
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New Hampshire's 1st District: A Cash Gap With Two Different Stories
September 11, 2026
New Hampshire's 1st District: A Cash Gap With Two Different Stories The financial picture in New Hampshire's 1st Congressional District, rated Likely D, shows a wide gulf between the top fundraisers on eac
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Generic Ballot: Wide Spread Between Pollsters
September 11, 2026
Generic Ballot: Wide Spread Between Pollsters New generic ballot polling released today shows a wide range of results. A Quinnipiac survey of registered voters completed September 6 gave Democrats
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Texas Senate and Governor: Divergent Margins Across Pollsters
September 11, 2026
Texas Senate and Governor: Divergent Margins Across Pollsters Polling in Texas continues to show a closer contest in the Senate race than in the governor's rac
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Ohio Senate: Brown Leads Husted in New Survey
September 11, 2026
Ohio Senate: Brown Leads Husted in New Survey A new InsiderAdvantage poll of the Ohio Senate race, completed September 9, has Democrat Sherrod Brown leading Republican Jon Husted 47% to 42%. A second release
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North Carolina Senate: Cooper Builds Consistent Lead Over Whatley
September 11, 2026
North Carolina Senate: Cooper Builds Consistent Lead Over Whatley Two new surveys of the North Carolina Senate race both show Democrat Roy Cooper leading Republican Michael Whatley by double digits. An Elon U
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Delaware Primary Set for September 15
September 10, 2026
Delaware Primary Set for September 15 Delaware will hold primaries for its Senate and House seats on September 15, 2026. The filing and candidate lineup will shape how closely both contests are watched heading into th...
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Rhode Island Governor: McKee Falls to Smiley
September 10, 2026
Incumbents fall in Rhode Island primaries: 3 takeaways (The Hill)Rhode Island voters rejected incumbency in Democratic primaries Wednesday, with Gov. Dan McKee los
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Wisconsin House Fundraising: Van Orden's District Outpaces Statewide Field
September 10, 2026
Wisconsin House Fundraising: Van Orden's District Outpaces Statewide Field The Wisconsin 3rd District race, rated Likely R, features the state's most competitive fundraising matchup. Republican Der
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Primaries Ahead in Rhode Island and Delaware
September 9, 2026
Primaries Ahead in Rhode Island and Delaware The next week is quiet on the primary calendar before two contests later this month. Rhode Island holds primaries for Senate, House, and governor on September 9, followed b...