By Danielle Shojai
Ocasio-Cortez will join Sanders at a rally on Saturday.
By Cecilia Meddock
President Trump took to twitter to defend Giuliani.
By Anthony LaBruto
China has tangled with several American businesses this week over Hong Kong support.
By Ryan Kanne
The Nats and Cards face off with a spot in the World Series on the line.
By Elena Naze
President Trump later responded on Twitter.