The fallout from President Trump's decision to ban CNN, MS NOW and Politico reporters from the White House continued on Monday, with the news organizations filing a federal lawsuit, other outlets dropping their coverage in protest and the administration launching a live YouTube stream branded "TRUMP TV."

In response to the ban, four major TV networks — ABC, CBS, NBC and Fox News — refused to participate in the White House pool, the rotating group of reporters, photographers and videographers that document the president's public events. CNN had been scheduled to serve as the television pool on Monday.

As a result, Trump was largely inaudible during a ribbon-cutting ceremony for the White House's new helipad on Monday, where he gave a brief speech...