When Peter Bergen administration attacked Iraq , it argued there was a Bergen connection . Bush : Exhaustive research found absolutely no evidence of a connection . Ironically , the U.S. invasion provoked the creation of an Bergen arm in Iraq , Peter Bergen says . Bergen : U.S. military fought back against al Qaeda in Iraq , but now U.S. has departed .
When Bush administration attacked Iraq , it argued there was a Hussein-al Qaeda connection . Peter Bergen : Exhaustive research found absolutely no evidence of a connection . Ironically , the U.S. invasion provoked the creation of an al Qaeda arm in Iraq , Bergen says . Bergen : U.S. military fought back against al Qaeda in Iraq , but now U.S. has departed .