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Don't miss Bill O'Reilly's big interview with Donald Trump on "The Factor" tonight at 8pm ET.

From the campaign attacks to the New York primary to his views on the media, Donald Trump sounds off in a can't-miss O'Reilly Factor interview.

Republican presidential front-runner Donald Trump appeared on "Fox and Friends" this morning to blast the GOP's nominating process.

Trump argued that it should not be a race to the "magic number" of 1,237 delegates or be decided at a contested Republican National Convention. He said the candidate who wins the most votes in the primary process should automatically be the GOP nominee.

"The system is rigged. It's crooked," Trump said. "It's a rigged system ... I see it now 100 percent."

He said it's particularly evident in Colorado, where Ted Cruz just completed his sweep of the state's 34 delegates without any votes being cast by citizens in a traditional primary process.

"The people don't get a chance to vote. The people out in Colorado are going nuts," Trump said. "This was a political hack deal, like so much of our country. This is what our country's all about, I guess."

Watch more above and tune in to "The O'Reilly Factor" tonight at 8pm ET to see Bill's must-see interview with Trump.

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