Democrats, GOP locked in tight Senate races in Florida, Ohio and Texas: Poll

USA TODAY - For more and to sign up click here Jared Gans Democratic and Republican candidates are locked in tight races for Senate in Florida, Texas and Ohio, three states that have yielded increasingly close polls in recent weeks, according to a new survey. The Marist poll released Thursday showed slight leads for the incumbents in each state but within the margin of error, and two of the three were nearly…