By Ed Tibbetts, Quad-City Times A last-minute attempt to replace the Affordable Care Act in the U.S. Senate has not yet won the endorsement of Iowa's two Republican senators, but the plan could be headed for a vote.A new Republican bill, championed by Sen. Bill Cassidy, R-La., and Lindsey Graham, R-S.C., has resurrected the battle over health care in Washington, D.C., just weeks before the Nov. 1 enrollment ...