What Caused Warren's Collapse

In October of 2019, Elizabeth Warren seemed poised to take over the Democratic race and become the front runner.
Now, she's barely hanging on.
According to Yahoo! one forecaster puts Warren’s odds of winning the nomination at less than 3 percent.
There are several reasons for the collapse, most self-inflicted and strategic.
Warren's biggest mistake may have been the roll out to her health care plan.
"The simple, obvious answer is that it shredded her core pitch to voters." Jordan Weissman, Slate