Republican Christine O'Donnell returned to political debate on Thursday to slam GOP presidential front-runner Donald TrumpDonald TrumpBaldwin calls Trump criticism following 'Rust' shooting 'surreal' Haley hits the stump in South Carolina Mary Trump files to dismiss Trump's lawsuit over NYT tax story MORE.

"I have no desire to get in the fray. Now it looks like he's going to be the nominee. I can't sit back anymore. I can't hold my tongue," O'Donnell said during an interview on CNN.

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"He did nothing to liberate the middle class from political correctness until he decided to run for president," O'Donnell added during her interview with Brooke Baldwin.

O'Donnell is known in political circles for a stunning upset during the Tea Party wave of 2010 when she defeated establishment favorite and former Rep. Mike Castle in the GOP Senate primary in Delaware.

She was famous for declaring in a campaign ad that she was "not a witch" after suggestions that she dabbled in witchcraft in her youth. She ended up losing by wide margins to Sen. Chris CoonsChris Andrew CoonsHouse passes bill to expedite financial disclosures from judges Overnight Energy & Environment — Presented by ExxonMobil — Dems seek to preserve climate provisions Democrats wrangle to keep climate priorities in spending bill  MORE (D).

"He's not actually doing anything except inciting riots," she said of Trump on Wednesday, emphasizing words "have consequences."