Olympic venues hold dry run for London games

Published On: May 06 2012 10:57:29 PM CDT   Updated On: May 07 2012 06:05:37 AM CDT
London Olympic stadium

Officials in London are putting Olympic Stadium through its paces. They held a warm-up event over the weekend to find areas where the athletics venue might need improvement. As Erin McLaughlin reports, runners and jumpers are giving the stadium high marks.