Video: Drug flow from Mexico on the rise
This year, U.S. Border Patrol agents in the Rio Grande Valley alone have seized nearly 500 tons of marijuana coming across the border from Mexico, and it doesn?t look like trafficking will slow down. NBC?s Mark Potter reports. (Nightly News)
Source: http://pheedo.msnbc.msn.com/click.phdo?i=3b1bf1838d5ce802b90051b350dc09c3