Tuesday, June 24
(Undated) -- Another round of primary elections will be held in several states today. Mississippi Republicans will decide the fate of veteran Senator Thad Cochran. He's in a hotly-contested runoff with Tea Party favorite Chris McDaniel. A special election will be held in Florida to replace former Republican Congressman Trey Radel who resigned after being arrested for cocaine possession. In Colorado, four Republicans are competing in a primary to succeed popular GOP Congressman Cory Gardner. Gardner seeks to knock Democratic Senator Mark Udall out of office in November.