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HOUSTON – Two days before Super Tuesday comes Squabble Sunday, where the last-minute bickering during a big campaign weekend takes center stage.

First to the endorsement of Donald Trump by former Ku Klux Klan grand wizard David Duke. Despite calls from the Anti-Defamation League to disavow support from the white supremacists, Trump did not, instead claiming ignorance.

“I don’t know anything about what you’re even talking about with the white supremacy or white supremacists,” said Trump, (R) presidential candidate.

Next up, Ted Cruz tried to characterize what a Donald Trump presidency might look like.  “If Donald becomes president, who the heck knows what he would do.  Even Donald doesn’t know what he would do,” said Cruz, (R) presidential candidate.

With the continued jabs, some say the Republican race has devolved to a reality show template.

“Frankly, we’re going to look back at this time and we’re all going to shake our heads and say, ‘Did we really degrade the process of picking the leader of the free world?” Gov. John Kasich, (R) presidential candidate.

On the other side of the spectrum, after a big victory in South Carolina, Hillary Clinton sent the president of the Planned Parenthood Action Fund to campaign for her in Houston.

Bernie Sanders had Houston supporters making phones pitches at his campaign headquarters here.