April 21, 2010 10:16 am High-Tech Device Helps Man Do MS Walk David Horan, of Bristol, might not have been able to walk for a cause without some help from a medical device. US & World Videos 1:42 Car sent flying into the air after speeding through rotary in Massachusetts 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:31 Synchronized swimmers: See an incredible triple whale breach 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit