Biden unleashes attacks, blames Trump for protest violence

President Donald Trump speaks at a news conference in the James Brady Press Briefing Room at the White House, Monday, Aug. 31, 2020, in Washington. (AP Photo/Andrew Harnik)

Democratic presidential candidate former Vice President Joe Biden speaks at campaign event at Mill 19 in Pittsburgh, Pa., Monday, Aug. 31, 2020. (AP Photo/Carolyn Kaster)

PITTSBURGH — The battle for who can keep Americans safe after recent deadly protests emerged Monday as the sharpest dividing line for the presidential campaign’s final weeks as Joe Biden condemned the violence and President Donald Trump defended a supporter accused of fatally shooting two men.