Cornyn: Fla. Senate race 'open field' By POLITICO STAFF | 2/9/09 4:25 AM EST Pressure Mounts On GOP Supporters The three Senate Republicans who say they’ll support the $827 billion economic recovery plan are facing pressure from both sides of the debate. A group of stimulus opponents led by FreeRepublic.com founder Jim Robinson and Move America Forward chairwoman Melanie Morgan plans to protest outside the office of Sen. Arlen Specter (R-Pa.) at 10 a.m. Monday before moving on to the offices of Maine Republican Sens. Susan Collins and Olympia Snowe. Meanwhile, the group Americans United for Change is running...