Historic flooding inundates Texas, hampering rescue efforts

Historic flooding inundates Texas, hampering rescue efforts More

Houston's mayor on Sunday urged his constituents in the nation’s fourth-largest city to stay off roadways as the state of Texas continues to contend with unprecedented flooding from Hurricane Harvey, now classified as a tropical storm. Officials said rising waters would reach catastrophic proportions, with more than 2,500 emergency calls made overnight in Houston alone. Hari Sreenivasan has more.

AIR DATE 8/27/17