Sen. Rand Paul (R-Ky.) narrowly leads the pack of potential GOP contenders in 2016, according to a new poll. If the GOP presidential primary were held today, 17 percent of GOP voters would elect Paul, according to a new Quinnipiac Poll released Wednesday. He leads among Tea Party Republicans as well, with 22 percent. New Jersey Gov. Chris Christie rates second with 13 percent, followed by Sen. Marco Rubio (Fla.) with 12 percent and Jeb Bush with 11 percent. Sen. Ted Cruz (Texas) and Rep. Paul Ryan (Wis.) garner 10 percent. Nineteen percent of Republicans are undecided. Rubio’s numbers have...