Marines talk "big picture" of why U.S. is still fighting in Afghanistan

[timosman]

https://www.youtube.com/watch?v=N-AKmzAxFOM

Feb 28, 2018

Upon returning from their deployment in Helmand Province, Capt. Tamara Watkins, Maj. Paul Rivera and Maj. Ethan Krumnow of the U.S. Marine Corps tell CBS News' Jan Crawford why the U.S. is still fighting a war in Afghanistan.