"Not only has Newsom become much more aggressive in his criticism of Trump, but by imitating him, he is reminding the political community that this type of behavior from an elected official is out of the ordinary," said Dan Schnur, a political communications lecturer at USC and UC Berkeley.

The high-stakes fight over political boundaries could shape control of the U.S. House – and determine Gov. Gavin Newsom’s political future.

California Gov. Gavin Newsom used his Democratic supermajority to push a new congressional map that favors Democrats in an effort to nullify the expected new map from Texas.