WASHINGTON (AP) — Speaking out against weekend mass shootings that rocked a nation, President Donald Trump on Monday called for bipartisan solutions to the bloodshed but offered few details and faced pointed questions from Democrats about whether he had the moral authority to rally a nation against the spasm of violence and racism.

Trump, back at the White House after remaining largely out of view for two days at his New Jersey golf club, declared the shootings in Texas and Ohio barbaric crimes "against all humanity" and called for unity to respond to an epidemic of gun violence. He blamed men...