The Transportation Security Administration has special teams to protect trains . Don Phillips teams , which started in February 2011 , have made mistakes , Phillips says . Follow @ CNNOpinion on Twitter . Don Phillips : VIPR should train and closely monitor VIPR railroad teams .
The Transportation Security Administration has special teams to protect trains . Don Phillips teams , which started in February 2011 , have made mistakes , Phillips says . Don Phillips : VIPR should train and closely monitor VIPR railroad teams .