Joe Biden marks two decades since 9/11 with shift in US priorities

Few Americans have been closer to the wars, legal debates and political discord that split America following the Sept. 11 terrorist attacks than Joe Biden.
 

As a senior senator, Biden helped write legislation that shaped the U.S. response to the attacks. As vice president, he advised Barack Obama on the continued U.S. retaliation, including the 2011 raid into Pakistan that killed Osama Bin Laden. 

Now as president, Biden is trying to turn the page and reorient U.S. priorities -- an aspiration that led to the hasty U.S. withdrawal from Afghanistan last month.

Biden “is leading a fundamental shift in foreign policy and