In the primary elections in Mississippi on Tuesday, one House Armed Services Committee member narrowly won enough votes to advance to the general election this fall, and a Senate Appropriations defense subcommittee member finds himself in a runoff with a Tea Party candidate. Rep. Steven Palazzo (R-Miss.) won just 50 percent of the votes, barely escaping a runoff himself, according to media reports. He defeated Gene Taylor, who served in Congress from 1989 to 2011, when Palazzo unseated him. Taylor,…