GOP expresses hope for Obamacare repeal bill, hurdles remain

Sen. Lindsey Graham, right, R-S.C., stands with Sen. Bill Cassidy.
Sen. Lindsey Graham, right, R-S.C., stands with Sen. Bill Cassidy, left, R-La., Sen. Dean Heller, second left, R-Nev., and Sen. Ron Johnson, second right, R-Wis., as well as former Sen. Rick Santorum, center, to announce their legislation to repeal and replace Obamacare through block grants on Capitol Hill in Washington, D.C., last week.