McCain’s return cheers fellow Republican senators

WASHINGTON (AP) — At the twilight of a storied career and battling a brain tumor, Sen. John McCain stands poised to deliver for his party and his president on the issue that’s defined the GOP for the past seven years.
It’s a situation heavy with drama and symbolism. The 80-year-old Arizona senator is returning to Washington just days after a cancer diagnosis, to cast what could be the deciding vote Tuesday to open debate on legislation to repeal and replace “Obamacare.&rd