TUESDAY’S CAMPAIGN ROUND-UP…. Today’s installment of campaign-related news items that wouldn’t necessarily generate a post of their own, but may be of interest to political observers:

* Former Arkansas Gov. Mike Huckabee’s (R) recent moves have led many to assume he isn’t running for president again, but it’s apparently a little too early for those conclusions. Yesterday, Huckabee said he’s “very much considering another run at the presidency.”

* In Indiana, state Treasurer Richard Mourdock’s Republican primary campaign against Sen. Dick Lugar looks fairly serious. He’s already raised $125,000 fairly quickly, a respectable start under the circumstances, and by some accounts, Mourdock has received some encouragement from Indiana Gov. Mitch Daniels (R).

* Sen. Marco Rubio (R) of Florida, not quite three months into his first term, was pressed this morning on whether he’ll run for president in 2012. Rubio ruled out the possibility, though he wasn’t nearly as categorical about being a vice presidential candidate.

* Mitt Romney, hoping to curry favor with state parties in advance of his 2012 campaign, is sending $25,000 to the New Jersey state Republican Party. The Garden State is one of only a handful of states that will hold legislative races this year.

* In Arizona, Rep. Jeff Flake (R) is gearing up for a Senate campaign by blatantly, shamelessly flip-flopping on everything he’s ever said about immigration policy. The reversals have not gone unnoticed.

* The Obama administration’s Ambassador to China, Jon Huntsman, has added two campaign advisors in New Hampshire in advance of his expected presidential campaign. Huntsman is running as a Republican.

* And former pizza company executive Herman Cain, also running for the GOP presidential nomination, has kinda sorta backed off his contention that he would proudly discriminate against Muslim Americans while picking cabinet officials.

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Follow Steve on Twitter @stevebenen. Steve Benen is a producer at MSNBC's The Rachel Maddow Show. He was the principal contributor to the Washington Monthly's Political Animal blog from August 2008 until January 2012.