Tea Party Win in Kentucky

On what is perhaps the biggest primary day in this year's election season, candidates in three states faced off in stiff competitions that will set the stage for the upcoming midterm elections and the Democratic agenda.

In Kentucky, longtime Congressman Ron Paul's son, ophthalmologist Rand Paul, was declared the winner of the Republican Senate primary by The Associated Press shortly after polls closed. With more than half of the precincts reporting, Paul had a wide lead over Grayson.

Fueled by grassroots momentum and his father's donor base, Paul was predicted to be a favorite since the beginning.

Whether he eventually wins the Senate seat will be an indication of the strength of the Tea Party movement. - ABC News Story