Brandon Carter

Updated at 2:05 p.m. ET

President Trump will deliver his second State of the Union address to Congress on Tuesday night. He's expected to deliver a bipartisan message themed around "choosing greatness," while outlining what the White House calls a "policy agenda both parties can rally behind."

Updated at 2:03 p.m. ET

The Democratic National Committee dramatically reduced the power and influence of "superdelegates" in selecting the party's presidential nominee at its summer meeting in Chicago on Saturday, ahead of what's expected to be a wide-open Democratic field in 2020.

DNC members voted on a proposal to take away the role of elected officials and other party dignitaries in selecting a nominee at the Democratic convention — leaving it up to delegates selected in primaries and caucuses only — unless the process becomes deadlocked.