December 2, 2010 9:14 pm Minute Fit Tips: Pulse Squats Pulse squats are an easy way to build some muscle in the legs. US & World Videos 2:10 ‘You're speechless and can't believe what you saw.' Mom sees video of attack on her autistic son on SEPTA train 0:39 1 dead, 3 injured in Eastwick after two separate shootings, police say 0:22 Rescue crews call off search for missing kayaker in Schuylkill River 2:06 NJ first responders deploy tracking equipment that can pinpoint threats from recreational remote pilots 0:45 Philly police are making efforts to get ATVs and dirt bikes off the roads before the summer