Health care and insurance industries are spending a lot of money to defeat Medicare for All

Medicare for All has attracted widespread support in the Democratic Party. But the ambitious overhaul of the nation’s health care system faces a major threat: big spending by health care and insurance interests determined to preserve the status quo.

A ThinkProgress analysis found that those industries, part of a coalition called the Partnership for America’s Health Care Future, donated nearly $1.2 million in the 2017-2018 election cycle to Democratic members of four key House commit...