Bitter debate jabs overshadow Trump’s, Biden’s visions

Cleveland •The first debate between President Donald Trump and Democratic challenger Joe Biden deteriorated into bitter taunts and near chaos Tuesday night as Trump repeatedly interrupted his opponent with angry — and personal — jabs that sometimes overshadowed the sharply different visions each man has for a nation facing historic crises.In the most tumultuous presidential debate in recent memory, Trump refused to condemn white supremacists who have supported him, telling one s