Rep. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezOn The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline McCarthy says there will be a peaceful transition if Biden wins Anxious Democrats amp up pressure for vote on COVID-19 aid MORE (D-N.Y.) on Thursday tweeted that Rep. Justin Amash Justin AmashInternal Democratic poll shows tight race in contest to replace Amash Centrist Democrats 'strongly considering' discharge petition on GOP PPP bill On The Trail: How Nancy Pelosi could improbably become president MORE (Mich.) is "right" in criticizing Congress for becoming increasingly partisan, retweeting an op-ed penned by Amash in which he stated that "our politics is in a partisan death spiral."

Ocasio-Cortez retweeted an opinion piece written by Amash for The Washington Post, in which he announced that he is leaving the Republican Party. Amash is the only sitting GOP member of Congress who has called for President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE to be impeached.

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In the op-ed, Amash wrote that “we are fast approaching the point ... where Congress exists as little more than a formality to legitimize outcomes dictated by the president, the speaker of the House and the Senate majority leader."

Amash tweeted out his op-ed on Thursday morning, noting that "Today, I'm declaring my independence."

Trump reacted to Amash's announcement by tweeting that it was "great news" for Republicans and labeling Amash "a total loser."