We know where Sen. Mel Martinez stands on immigration. Florida's Republican junior senator is one of the architects of the comprehensive reform and has been pushing for the bill since last year. Bur Florida's senior senator, Bill Nelson, a Democrat, still hasn't made up his mind just yet.
“Our immigration system is broken and needs to be fixed," Nelson said on Wednesday. "But I’m reserving judgment on a bipartisan bill still pending in the Senate. Right now there are a number of proposed amendments and it's very uncertain what the final measure will look like.”