Congress Gets Bill Setting Up Security Dept.
Pres Bush proposes bill to require Federal Bureau of Investigation and Central Intelligence Agency to turn over intelligence reports on terrorist threats to proposed Homeland Security Department; bill would also transfer State Department's traditional authority to issue visas to new department, although state secretary could still deny visas for foreign policy reasons and State Department consular offices worldwide would still issue visas under rules set by new department; bill does not require intelligence agencies to turn over tapes and other raw intelligence data; authorizes new department to direct other agencies, including FBI, to act to protect nation from specific threats; Bush calls bill basis for evenutal triumph over terrorism, letter to Congress; bill is one of few drafted at Bush White House; Congressional leaders of both parties back it; photo (M)