Story highlights Warren is one of Trump's strongest critics

Warren says his plan is about "helping rich guys like Donald Trump get richer"

Washington (CNN) Sen. Elizabeth Warren slammed Republican presidential nominee Donald Trump's newly detailed tax reform plan as a blueprint for "helping rich guys like Donald Trump get richer -- & leaving everyone else behind."

.@realDonaldTrump's economics plan is all about helping rich guys like Donald Trump get richer -- & leaving everyone else behind. — Elizabeth Warren (@elizabethforma) August 8, 2016

The Massachusetts Democrat, one of Trump's strongest critics in the 2016 election, is a progressive hero who has made her name working to crack down on Wall Street greed and pushing for stronger financial regulations.

"The American people aren't dumb, @realDonaldTrump. We don't trust you with our nuclear codes AND we don't trust you with our economy," she tweeted in response to his Monday speech.

The American people aren't dumb, @realDonaldTrump. We don't trust you with our nuclear codes AND we don't trust you with our economy. — Elizabeth Warren (@elizabethforma) August 8, 2016

Trump's proposal would more than halve the number of income tax brackets and bring rates down to 12%, 25% and 33%. Trump proposed reducing federal income tax rates to 10%, 20% and 25%, which is a proposal that nonpartisan groups assessed would add trillions of dollars to the national debt.

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