July 1, 2012 2:36 pm Rubio in SoFla for Book Signing Senator Marco Rubio was South Florida Saturday signing copies of his latest book, An American Son. He talks to NBC 6 about his book. US & World Videos 0:55 Toddler airlifted to hospital after shooting incident in Homestead 1:54 Video shows scene after driver hit, killed bicyclist while fleeing deputies in Pompano Beach 0:46 10 people shot outside Seminole County bar, teen arrested: Sheriff's Office 1:06 Two people robbed at gunpoint in Miami: Police 9:28 At least 17 people died in Florida after medics injected sedatives during encounters with police