GOP Sen. Scott mounts long-shot bid to unseat McConnell

Read MoreFlorida Sen. Rick Scott is mounting a long-shot bid to unseat Senate Republican leader Mitch McConnell, a rare challenge for the longtime GOP stalwart after his party failed to win back the majority in the midterm electionsFlorida Sen. Rick Scott is mounting a long-shot bid to unseat Senate Republican leader Mitch McConnell, a rare challenge for the longtime GOP stalwart after his party failed to win back the majority in the midterm elections