A Fox News Poll unveiled late Thursday revealed that Gov. Rick Perry of Texas held a solid lead over former Gov. Mitt Romney of Massachusetts in the race for the Republican presidential nomination. (snip) When other candidates -- including former Alaska Gov. Sarah Palin and former New York City Mayor Rudy Giuliani -- were added to the mix, Perry remained in the lead. Both Palin and Giuliani have left the door open to running for the Republican presidential nomination. Perry led that scenario with 26 percent followed by Romney with 18 percent. Palin took third with 8 percent followed by...