Support is growing in Congress to pass legislation to ban texting while driving. Senate Commerce Committee Chairman Jay Rockefeller, D-W.Va., is said to be planning a bill to that effect, possibly to be released Wednesday, according to sources familiar with the effort. The committee has rescheduled a hearing that was planned Wednesday on the matter to Oct. 28, the committee said Tuesday. Transportation Secretary Ray LaHood and FCC Chairman Julius Genachowski are scheduled to testify.