Yes. EVERY vote does matter------Runoff in Mississippi

And, yes. A Tea Party victory!
 Runoff in Mississippi | National Review Online:

It was a virtually unknown candidate, real-estate broker Thomas Carey of Hernando, Miss., who determined the outcome: 
With 99.5 percent of precincts reporting, he had captured 1.6 percent of the vote, keeping both incumbent senator Thad Cochran, with 48.8 percent, and his insurgent challenger, state senator Chris McDaniel, with 49.6 percent, under the 50 percent margin required to seize victory.