Washington (CNN) - Republican Sen. John McCain said Sunday that President Donald Trump's comments that the US military would leave Syria "very soon" had emboldened Syrian leader Bashar al-Assad, resulting in the reported chemical weapons attack Saturday that killed dozens of the country's civilians. "President Trump last week signaled to the world that the United States would prematurely withdraw from Syria," the Arizona senator said in a statement. "Bashar Assad and his Russian and Iranian backers have heard him, and emboldened by American inaction, Assad has reportedly launched another chemical attack against innocent men, women and children, this time in...