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 : " After the Soviet Union withdrew from Afghanistan , something that was accomplished at the cost of more than a million Afghan lives and billions of dollars of U.S. aid , the United States closed its embassy in Afghanistan in 1989 during the George H.W . The United States has been in Afghanistan for more than 15 years now with no end in sight to its involvement.
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 : " The United States has been in Afghanistan for more than 15 years now with no end in sight to its involvement.