White House mulling withdrawing all American troops from Afghanistan , official said . Peter Bergen says the withdrawal would be dangerous and send the wrong message . He says U.S. abandoned Afghanistan before and the Taliban stepped into vacuum . Bergen : U.S. should follow model it set in South Korea at end of Korean War .
White House mulling withdrawing all U.S. troops from Afghanistan , official said . Peter Bergen said the idea would be dangerous and send the wrong message . He says U.S. abandoned Afghanistan before and the Taliban stepped into vacuum . Bergen : U.S. should follow model it set in South Korea at end of Korean War .