Why Pelosi calling Trump’s tweets racist on the House floor turned into chaos

The House of Representatives devolved into chaos Tuesday over whether House Speaker Nancy Pelosi had the right to say that President Donald Trump’s tweets attacking four progressive lawmakers of color were “racist,” as a matter of official record.

The controversy started during a debate over a House resolution condemning Trump’s tweets, in which he said the four lawmakers, three of whom were born in the US, should “go back” to other countries. (The resolution ultimately passed on a vote of 240-187, with four Republicans voting in favor.) Pelosi called the...