A new Quinnipiac poll finds Gov. Scott Walker leading the GOP presidential field nationally with 18%, followed by Jeb Bush at 16%, Gov. Chris Christie at 8%, Mike Huckabee at 8%, Ben Carson at 7%, Sen. Rand Paul at 6%, Sen. Ted Cruz at 5% and Sen. Marco Rubio at 5%. The post Walker, Bush Lead GOP Presidential Field appeared first on Political Wire.