13 months later donald trump appears on track to easily win his party's nomination. new national polling shows donald trump leading his closest opponent, nikki haley, by 49 points. and trump's 91 felony charges appear to be having little to no negative impact on his base of support. new reporting from "the washington post" describes donald trump's turnaround this way. he's turned his criminal indictments into a rallying cry. his gop opposition has so far fail today coalesce around a single challenger and his political operation has been so far disciplined than in the past with savvy moves such as changing contest rules, lining up supportive delegates and pressuring republicans to come to his defense. joining us now is "the washington post" national political reporter and coauthor of that piece. he's also the author of the forthcoming book "finish what we started, the maga movement's ground war to end democracy."