Veteran explains why he backs assault weapons ban
10:49Rep. Brian Mast, R-Fla., discusses his new NYT column about being an Army vet and supporting a ban on assault weapons. CNBC's Brian Sullivan also joins the conversation.
Rep. Brian Mast, R-Fla., discusses his new NYT column about being an Army vet and supporting a ban on assault weapons. CNBC's Brian Sullivan also joins the conversation.