A last, last chance: Republicans strain for Obamacare repeal

Republican senators unveil legislation to repeal and replace Obamacare.
U.S. Sen. Bill Cassidy, R-La., speaks as Sen. Ron Johnson, R-Wis., and Sen. Lindsey Graham, R-S.C., talk to each other during a news conference on health care Sept. 13, 2017, on Capitol Hill in Washington, D.C.
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