Trump blames Biden campaign for clash between campaign bus and caravan of Trump supporters

[youtube https://www.youtube.com/watch?v=cf2RKtElOu8?feature=oembed&w=500&h=281]
President Trump and Joe Biden are making their final campaign pushes the Sunday before Election Day. Mr. Trump praised a group of his supporters who were filmed harassing a Biden campaign bus several days earlier, blaming the bus driver for the incident. Weijia Jiang reports.