Sen. Lindsey Graham says Trump's decision to withdraw U.S. troops from Syria is "a big gift" to Iran and ISIS: "The only reason they're not dancing in the aisles in Tehran and ISIS camps is they don't believe in dancing." https://t.co/gRsQYfm7SR pic.twitter.com/GwcnmR9AIS— ABC News Politics (@ABCPolitics) December 20, 2018