Here are 3 previously unthinkable ideas Elizabeth Warren thrust into the mainstream before ending her 2020 campaign

Warren dropped out of the presidential race on Thursday, ending a campaign defined by progressive plans to roll back inequality in the US.
She withdrew from the race after a series of devastating defeats on Super Tuesday.
The Massachussetts senator had a vision to tilt the scales of power away from businesses and the wealthy.
She thrust the wealth tax, student debt reduction, and universal childcare into the political mainstream.
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