WASHINGTON — President Donald Trump on Sunday condemned a "mindless CHEMICAL attack" in Syria that killed women and children, but he offered no evidence to support the claim by Syrian opposition activists and rescuers that poison gas was used.A top aide, asked about the possibility of a U.S. missile strike in response, said, "I wouldn't take anything off the table." Trump, without elaboration, said there would be a "big price to pay" and he called Syrian President Bashar Assad [...]