Sen. Ted Cruz Rafael (Ted) Edward CruzLoeffler calls for hearing in wake of Netflix's 'Cuties' Health care in the crosshairs with new Trump Supreme Court list 'Parks and Rec' cast members hosting special reunion to raise money for Wisconsin Democrats MORE (R-Texas) slammed Democrats on Wednesday for their opposition to Sen. Jeff Sessions Jefferson (Jeff) Beauregard SessionsTrump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status White House officials voted by show of hands on 2018 family separations: report MORE (R-Ala.), President Trump's nominee for attorney general.

"When the left doesn't have any other arguments, they go and just accuse everyone of being a racist, and it's an ugly, ugly part of the modern Democratic Party," Cruz said during an interview on Fox News.

"Listen, the Democrats are the party of the Ku Klux Klan. You look at the most racists, you look at ... the Dixiecrats, they were Democrats who imposed segregation, imposed Jim Crow laws," he added.

Cruz criticized Democrats for raising allegations of racism against Sessions over comments he made decades ago.

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Sen. Elizabeth Warren Elizabeth WarrenNo new taxes for the ultra rich — fix bad tax policy instead Democrats back away from quick reversal of Trump tax cuts It's time for newspapers to stop endorsing presidential candidates MORE (D-Mass.) on Tuesday evening was barred from speaking on the Senate floor after she quoted a 1986 speech from the Sen. Ted Kennedy (D-Mass.) calling Sessions a "disgrace" to the Justice Department.