[ The daily brief // September 10 · replayed ]

Democrats' Senate odds up 8 to 53 percent

The day's story, written by the model's own rules from what moved on the board. When Lilly has something to say, her words come first.

▸ The board // September 10

Senate

53%

chance of Democratic control

+8 since the day before

Expected 51 D · likely 47 to 55

House

83%

chance of a Democratic majority

+3 since the day before

Expected 234 D · likely 213 to 259

▸ What moved

The Florida special Senate race: 24 points toward Nixon, now Moody 63 percent. A new Change Research poll had even, 1,107 likely voters.

The Ohio special Senate race: 5 points toward Brown, now Brown 62 percent. A new InsiderAdvantage poll had Brown +5, 1,200 likely voters.

Missouri's 2nd district: 3 points toward Wellman, now Wagner 66 percent.

Arizona's 6th district: 3 points toward Mendoza, now Mendoza 60 percent.

The Florida special Senate race ▸The Ohio special Senate race ▸Missouri's 2nd district ▸Arizona's 6th district ▸

▸ Lines crossed

Pennsylvania's 10th district has a new favorite: Stelson, 51 percent.

Iowa's 1st district has a new favorite: Bohannan, 51 percent.

Virginia's 2nd district has a new favorite: Luria, 51 percent.

Michigan's 10th district has a new favorite: Hines, 52 percent.

Pennsylvania's 10th district ▸Iowa's 1st district ▸Virginia's 2nd district ▸Michigan's 10th district ▸

▸ New polls

10 new polls since the day before. The weightiest:

InsiderAdvantage (B+), Texas Senate: Talarico +2, 1,200 likely voters.

InsiderAdvantage (B+), the Ohio special Senate race: Brown +5, 1,200 likely voters.

InsiderAdvantage (B+), South Carolina Senate: Graham +2, 1,200 likely voters.

YouGov (B), Maine Senate: Jackson +4, 1,335 likely voters.

Change Research (C+), the Florida special Senate race: even, 1,107 likely voters.

Texas Senate ▸The Ohio special Senate race ▸South Carolina Senate ▸Maine Senate ▸The Florida special Senate race ▸

▸ Coin flips

7 races under 55 percent either way: Iowa's 1st district, Texas Senate, Pennsylvania's 10th district, Virginia's 2nd district, Iowa's 2nd district, Michigan's 10th district, Maine's 2nd district.

Iowa's 1st district ▸Texas Senate ▸Pennsylvania's 10th district ▸Virginia's 2nd district ▸Iowa's 2nd district ▸Michigan's 10th district ▸Maine's 2nd district ▸

▸ The clock

54 days to November 3.

▸ Every day // 75 briefs, newest first

Days marked replayed were run after the fact with today's rules on that day's polls. The live record starts October 16.