Team Coverage: Isaac gains steam toward N.O.

Published On: Aug 27 2012 05:30:01 PM CDT   Updated On: Aug 27 2012 05:48:40 PM CDT
Computer models 1 pm Monday

Aug. 27, 2012: Tropical Storm Isaac gained steam as it churned toward New Orleans. Frank Billingsley tracks the storm and Robert Arnold reports from New Orleans.