Putin vows to help Syrian regime in case of US attack

Russian military support for the Assad regime has long been a main bone of contention between the two leaders. Then-Secretary of State Hillary ClintonHillary Rodham ClintonNevada poll: Clinton up 4 points over Trump Obama seeks down-ballot gains after being mid-term loser WATCH LIVE: Trump campaigns in Tampa, Fla. MORE last year accused Russia of making the conflict much worse by shipping attack helicopters to Assad's forces, and this week Secretary of Defense Chuck HagelChuck HagelCreating a future for vets in DC Republicans back Clinton, but will she put them in Pentagon? There's still time for another third-party option MORE made waves when he said Syria relied on Russian technology for its chemical weapons program.

Russian obstruction at the United Nations Security Council has also infuriated the administration. The U.S. ambassador to the U.N., Samantha PowerSamantha PowerFormer Portuguese leader, refugee chief primed to be new UN head Dem urges support for UN human rights resolution on Yemen Obama’s November surprise MORE, on Thursday said Russia was holding the world body “hostage” and that the United States would act alone to preserve U.N. values.

Please send tips and comments to Julian Pecquet: jpecquet@thehill.com

Follow us on Twitter: @TheHillGlobal and @JPecquetTheHill