The November general election is a little more than two months away. Voters in five states went to the polls Tuesday to cast ballots in party primaries.
Arizona republicans are sticking with a familiar face this November.
"This was a tough, hard fought primary," said Sen. John McCain, R-AZ.
Sen. McCain won his bid for a fifth term Tuesday night over conservative challenger J.D. Hayworth. It was just one of several key primaries that pitted the Washington establishment against outsiders.
"I promise you, I take nothing for granted and will fight with every ounce of strength and conviction,” Sen. McCain said.
In Florida's bitter democratic race, four-term Congressman Kendrick Meeks scored a victory over real-estate tycoon Jeff Greene. If he beats republican candidate Marco Rubio and independent Governor Charlie Crist this fall. Meeks will become the state's first black senator.
"This election is not about those who are running for office, it's about the people of this state and we have to continue to keep that focus!" said Rep. Meek.
In Alaska's GOP primary, it's still too close to call. Early vote counts have Tea Party favorite and Sarah Palin-backed Joe Miller slightly ahead Senator Lisa Murkowski.
With primary season almost over, the focus shifts fully to mid-term elections and the battle for control of Congress.
"I will be the next senator from this state," said Rep. Meeks.
Some analysts believe swing voters will be key.
"In any election, it comes down to independents, often comes down to moderates,” said Anthony Salvanto, Director of Elections for CBS News. “They make up a good chunk of the mid-term electorate.”
Polls show like many Americans, independents are primarily concerned with the economy. Experts say whichever candidate can offer the best solution will have the greatest chance of winning in November.