Senate advances on healthcare, with dramatic return by McCain

Reuters: WASHINGTON (Reuters) - U.S. Senate Republicans narrowly agreed on Tuesday to open debate on a bill to end Obamacare, but the party's seven-year effort to roll back Democratic President Barack Obama's signature healthcare law still faces significant hurdles.

The Senate deadlocked 50-50 on moving forward with the healthcare debate, forcing Vice President Mike Pence to cast the tie-breaking vote.

Senator John McCain, who was diagnosed this month with brain cancer and has been recovering from surgery at home in Arizona, made a dramatic return to the U.S. Capitol to cast a crucial vote in favor of proceeding.

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