Last ditch effort to repeal Obamacare gathers steam.

The Affordable Care Act, Barack Obama’s signature health reform, faces a real and fast developing threat from a fourth Senate repeal bill. As September began, Senate Republicans’ efforts to undo Obamacare were given a small chance of success. But the prospect of definitive failure seems to have galvanized the party, and leaders are sounding increasingly confident, with President Donald Trump and the Senate majority leader, Mitch McConnell, asserting that their new version of “Trumpcare” will pass. The bill, called Cassidy-Graham, is effectively the last chance this Congress will have to repeal Obamacare before the midterm elections in November 2018. Under Senate rules, after 30 September it will require an unattainable 60 vote majority to pass. Until 30 September it may pass as a budget measure with a simple majority. In a 50-50 Senate split the vice president, Mike Pence, would …