President Biden is expected to give a primetime address on the first night of the Democratic National Convention.

But now, Biden's prime-time speech in Chicago on Monday night will mark a bittersweet moment for his legacy and for the party. DNC LIVE UPDATES: Democrats set to rally around Kamala Harris as nominee ...

Democrats brought high spirits to the first evening of the DNC, but complained about a series of logistical troubles and delays. It was after midnight on the East Coast when President Biden ...