Donald Trump exercised his power on the Republican Party by getting Senate allies to reject the bipartisan border deal. It leaves funding for Ukraine, border security and aid to Israel and Taiwan caught up in the vortex of dysfunctional Capitol Hill politics. Watch the latest Washington Week with The Atlantic here: https://pbs.org/washingtonweek Subscribe to our YouTube channel: https://bit.ly/2ZEPJNs Follow us on Twitter: https://twitter.com/washingtonweek Like us on Facebook: https://www.facebook.com/washingtonweek