WASHINGTON - In quick succession, the House and Senate voted Friday to spend some $87 billion that President Bush (news - web sites) said was needed to finish a mission of securing peace and eliminating terrorist threats in Iraq (news - web sites) and Afghanistan (news - web sites). Strong votes in both houses left little doubt that Congress, despite questions about the president's postwar policies, agreed there could be no turning back in the Iraqi operation. An 87-12 vote in the Senate came after the House approved its $87 billion package by a 303-125 vote. "I believe in this...