With Marco Rubio stepping down from the U.S. Senate to run for president, the competition facing the Democratic primary is beginning to heat up. A new survey conducted by Vox Populi Polling among Democrat Primary voters in Florida found that Rep. Alan Grayson is poised to pull off an upset against Rep. Patrick Murphy. As voters became more informed on the candidates, Rep. Alan Grayson took a commanding lead in the polls with 56-21 percent, leaving 24 percent of voters undecided. Vox Populi Polling