From NBC's Domenico Montanaro
The Tea Party movement is amorphous, but two of its wings joined forces today.
Jim DeMint (R-SC) endorsed Rand Paul, son of Ron Paul, in the Kentucky GOP Senate primary.
"Rand is exactly the kind of leader Americans are looking for right now. He's not a career politician and he's got the guts to stand up to the massive spending, bailouts, and debt that are being forced on us in Washington," DeMint said.
The move comes amid concern among some conservative circles that GOP leaders were pillorying Paul in order to help Grayson. DeMint decided to step in Hotline OnCall has learned came after a prominent evangelical leader believed he was lied to by GOP leaders.
Earlier this week, Dr. James Dobson called his endorsement of Grayson an "embarrassing mistake," and instead backed Paul. He blamed "senior members of the GOP" who told Dobson that Paul was not pro-life. That, Dobson said, is untrue. At that point, DeMint -- who just hours earlier had said he wouldn't get involved -- decided to back Paul's campaign.
DeMint is the latest high-profile Republican to wade into the race. Yesterday, Senate Minority Leader