January 13, 2014 4:04 pm Fallon Set To Takeover The Tonight Show Jimmy Fallon is set to takeover “The Tonight Show” hosting duties in February. US & World Videos 10:45 ‘Giant Heart' procedure: The Lineup 0:16 Philadelphia police department combines 2 police districts. This is why 0:36 Franklin Institute's Giant Heart to close for months. Here's what will come next 0:16 Philly's Rocky statue getting a spring cleaning 1:47 New nationwide Xfinity ad features 3 Vietnam War vets as Military Appreciation Month begins