What is the Jones Act waiver?

War continues to rage in the Middle East, and energy infrastructure is being targeted. The price of oil has surged to $115 a barrel, and gas in the U.S. is now averaging $3.88 a gallon — up almost a dollar from before the war. President Trump recently waived the Jones Act in an attempt to lower oil prices. Will it work? Also: what's next for the Federal Reserve, and where U.S.-China relations currently stand.