Republican Mitch McConnell has been the Senate minority leader since 2007, and he's the longest-serving senator in the history of Kentucky. He's up for re-election next year — and polling in the state shows his popularity is suffering.
If the Republicans can snag a half-dozen more seats in the Senate in 2014, McConnell could finally become majority leader. But first, he has to convince Kentuckians he's not out of touch with them.
After the Senate failed to pass bipartisan legislation to expand background checks for gun purchases, the superPAC created by shooting victim and former Rep. Gabrielle Giffords and her husband, onetime astronaut Mark Kelly, vowed to remind voters of which lawmakers voted against the plan.