Boston Gears for First Marathon After 2013 Bombings

The northeastern U.S. city of Boston is getting ready for its first marathon after the 2013 race in which terrorist bombs killed three people and wounded 265 others. This year, the annual Boston Marathon takes place April 21, with about 36,000 participants registered -- thousands more than last year. Zlatica Hoke reports that organizers, survivors and participants are determined not to allow painful memories of last year's bloodshed to undermine a tradition that started in 1897.