Republican Rep. Cory Gardner, R-Col., has expanded his lead over incumbent Sen. Mark Udall, D-Col., in the closely watched Colorado Senate race, according to the results of a Quinnipiac University poll released on Thursday.
Iowa Republican Joni Ernst has crept out to a slightly wider lead over Democratic Rep. Bruce Braley, D-Iowa, in the race to replace retiring Sen. Tom Harkin, D-Iowa, according to the results of a Quinnipiac University poll released on Wednesday.
In another troubling sign for Democrats, the results of a Gallup poll released on Friday show that Tea Party Republicans are much more motivated to vote in the upcoming midterm elections than other Americans. The poll found that 73 percent of Tea Party Republicans are "extremely" or "very" motivated to vote in this year's elections.
After a brief absence, the Democratic Senatorial Campaign Committee is once again hitting the airwaves in Kentucky in support of Senate candidate Alison Lundergan Grimes. The DSCC is spending $650,000 on advertising for Grimes in her race against Senate Minority Leader Mitch McConnell, R-Ken.
Potentially complicating the outlook for control of the Senate, the results of a SurveyUSA poll conducted for WXIA-TV in Atlanta suggest that the Georgia Senate race between Republican David Perdue and Democrat Michelle Nunn could be headed for a runoff.
With just two weeks left before Election Day, the Kansas Senate race between Republican Sen. Pat Roberts, R-Kan., and independent candidate Greg Orman seems likely to come down to the wire. The results of a new Monmouth University Poll showed that the race between Roberts and Orman is tied among likely Kansas voters.