Senate races

The American Future Fund (AFF), a conservative group, is increasing its ad buy backing Sen. Kelly Ayotte (R-N.H.) on gun control by $350,000, expanding into the expensive Boston media market.

The NRSC is accusing Senate Democrats of pressuring the IRS to take action against conservative groups.

A second Republican has launched a bid to challenge Sen. Mary Landrieu (D-La.) in 2014, potentially setting up a fight between the establishment and conservative wings of the GOP.

Rep. Justin Amash (R-Mich.) is promising he won't let his state party nominate an "anti-civil liberties, pro-corporate welfare" candidate in the race for the Senate.  Read more...

A Tea Party group has endorsed Senate Minority Leader Mitch McConnell (R-Ky.) due to his outspoken criticism of the IRS' targeting of conservative groups.
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Former Senate Majority Leader Tom Daschle (D-S.D.) has endorsed his former staffer, Democrat Rick Weiland, for Senate in South Dakota, following former Rep. Stephanie Herseth Sandlin's announcement that she won't run in 2014.

Former Rep. Joe Sestak (D-Pa.) will seek a rematch against Sen. Pat Toomey (R-Pa.) in 2016, he announced.

Georgia businessman David Perdue (R), the cousin of former Gov. Sonny Perdue (R), on Tuesday launched a Senate exploratory committee as he moves to join an increasingly crowded field of contenders seeking to replace retiring Sen. Saxby Chambliss (R).

The National Republican Senatorial Committee is tweaking Senate Democrats for missing out on some top recruits, arguing that their struggles stem from the party's recent problems in Washington. Read more...

Massachusetts Republican senate candidate Gabriel Gomez says he'll win without help from Washington Republicans, even as major Republican figures and the GOP campaign apparatus are helping him with his campaign.