IE 11 is not supported. For an optimal experience visit our site on another browser.

Trump threatens 'rough July' if RNC doesn't change delegate system

01:51

After a week of crying foul against a "rigged" delegate process, Donald Trump on Saturday warned of a "rough July" if the party's national committee doesn't change how it chooses its nominee ahead of the GOP convention. For TODAY, NBC’s Hallie Jackson reports.