Trump's tweet accompanied six minutes and 24 seconds of clips of McCain promising repeal and replace of President Barack Obama's Affordable Care Act over the years.
McCain announced Friday that he couldn't support the latest bill, arguing for a bipartisan effort.
Earlier in the day, Trump blistered McCain for his decisive July vote killing an earlier Republican effort to erase the 2010 law. Trump called that "a tremendous slap in the face of the Republican party."
The debate goes on — even as the numbers suggest the latest GOP health care bill is doomed.
Republican Sen. Lindsey Graham, a co-sponsor of the bill, says: "We're going to press on. It's OK to vote. It's OK to fall short."
It was unclear whether the Senate will vote this week on the bill by Graham and Republican Sen. Bill Cassidy of Louisiana. Top Senate Republicans say the prospects are bleak. GOP Sens. Rand Paul, John McCain and Susan Collins say they oppose the bill. That's one too many for Republicans who are trying to get the bill passed with GOP votes alone.
Graham and Cassidy defended their bill against criticism from Independent Sen. Bernie Sanders of Vermont and Democratic Sen. Amy Klobuchar of Minnesota on CNN Monday night.
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