Why is Sen. Cassidy obsessed with Obamacare repeal-and-replace when people who voted for him aren’t?

The Cassidy-Graham bill — the last Affordable Care Act (ACA) repeal and replacement bill left standing — has a dubious chance of passing. It currently has the same problem past iterations of Republican Senate health bills had: it can’t get 50 votes.

The bill — authored by Senators Bill Cassidy (R-LA) and Lindsey Graham (R-SC) — starting in 2020, would repeal ACA subsidies and the Medicaid expansion. Instead, states would be given temporary block grants....