Sen. John Ensign's (R-Nev.) numbers have continued to fall over the last month.

Rep. Mark KirkMark KirkImmigration critics find their champion in Trump Trump's nominee to lead USAID has the right philosophy on international aid McConnell: Senate to try to repeal ObamaCare next week MORE (R-Ill.) is set to make an announcement today about a candidacy for statewide office. That office is expected to be Senate.

Kirk would have a retired judge for a primary opponent.

Sen. Chris Dodd (D-Conn.) attends an ill-timed event with lobbyists.

Sen. Tom CoburnTom CoburnAl Franken: 'I make fun of the people who deserved it' The more complex the tax code, the more the wealthy benefit Congress, stop using our nation's military policy for political purposes MORE (R-Okla.) reminds us that he can really raise money when he puts his mind to it.

A political blog reports state Sen. Darrel Aubertine (D) will run in the special election to replace Rep. John McHugh (R-N.Y.). It would be a big get for congressional Democrats.