Flight attendant union decries "catastrophic" fire risk from e-cigarettes on planes

The president of the largest flight attendant union wants the FAA to ban e-cigarettes from planes because their lithium-ion batteries could be a fire hazard. Lithium-ion batteries power virtually everything we travel with -- but the concern about vaping devices stems from the fact they're often powered by cheaper batteries, raising fears they're more likely to fail. Kris Van Cleave reports.