Communication , lines of command remain problem areas , Lee Hamilton says . `` We can not permit delay , '' says Hamilton , co-chairman of the 9/11 Commission . The commission is expected to issue its final report on September 11 in a few weeks.
Communication , lines of command remain problem areas , Lee Hamilton says . `` We can not permit delay , '' says Hamilton , co-chairman of the 9/11 Commission . `` Luck is not a strategy , '' says former homeland security chief Tom Ridge .