2012 U.S. SENATE RACE: GOP hopefuls lining up to battle Nelson Republicans are bracing for a tough 2012 U.S. Senate primary pitting such political heavyweights as a former U.S. senator, a sitting Florida Senate president and the congressman son of a Republican icon. But to hear a growing number of Republican activists tell it, the candidate to watch is a fellow few Floridians have heard of. “Absolutely -- it’s Adam Hasner,” said Nancy McGowan, a prominent conservative activist and fundraiser from Jacksonville. “A primary for the most part is determined by the grass roots who look for the leadership they...