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WASHINGTON, DC - JULY 26:  U.S. Sen. Susan Collins talks to reporters after leaving the Senate Floor following a vote at the U.S. Capitol July 26, 2017 in Washington, DC. GOP efforts to pass legislation to repeal and replace the Affordable Care Act, also known as Obamacare, were dealt setbacks when a mix of conservative and moderate Republican senators joined Democrats to oppose procedural measures on the bill.  (Photo by Chip Somodevilla/Getty Images)
WASHINGTON, DC - JULY 26:  U.S. Sen. Susan Collins talks to reporters after leaving the Senate Floor following a vote at the U.S. Capitol July 26, 2017 in Washington, DC. GOP efforts to pass legislation to repeal and replace the Affordable Care Act, also known as Obamacare, were dealt setbacks when a mix of conservative and moderate Republican senators joined Democrats to oppose procedural measures on the bill.  (Photo by Chip Somodevilla/Getty Images)

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Collins: 'No' on Graham-Cassidy (full interview)

Sen. Susan Collins (R-ME) explains why she cannot vote for the the Graham-Cassidy version of the GOP's health care bill.

Collins: 'No' on Graham-Cassidy (full interview)

Sen. Susan Collins (R-ME) explains why she cannot vote for the the Graham-Cassidy version of the GOP's health care bill.