"Mitch McConnellMitch McConnellGiffords-backed gun control group endorses Toomey, Kirk Republicans say party can’t afford to cut ties to Trump McConnell calls for ObamaCare money to be used for Zika MORE's quiet, principled leadership is key to everything we accomplish on Capitol Hill," Rubio said during the event, according to CNN.
"The way he fought ObamaCare, tooth and nail, and forced the Democrats to use extraordinary measures to pass it was a critical catalyst in electing my entire class of Senate conservatives in 2010. Without Mitch, I don't know that we'd have Senator Rubio, Senator Johnson, Senator Paul or Senator Lee."
Sens. Ron JohnsonRon JohnsonGOP chairmen subpoena tech firms tied to Clinton's email server Watchdog: Pentagon needs to update FOIA policies Vulnerable GOP senator comes out against TPP MORE (R-Okla.), Rand PaulRand PaulTrump gets little backing from Silicon Valley Lawmakers amplify criticism of US support for Saudi bombing campaign How Breitbart turned on Ted Cruz MORE (R-Ky.) and Mike LeeMike LeeThe impact of silence: The incarceration of children who have committed no crime Fidelity denies lobbying for student loan tax break Cruz, Lee question legality of Iran payment MORE (R-Utah) all have Tea Party support, and affiliating himself with all three will likely help McConnell appeal to those skeptical voters on the right.
McConnell is likely to face a strong challenge from Democrats as well, who believe he is one of the nation's most vulnerable incumbents in 2014. Two Democratic contenders, actress Ashley Judd and Kentucky Secretary of State Alison Lundergan Grimes, have emerged as possible challengers.