California Gov. Gavin Newsom (D) is doing more than just mocking President Trump's signature social media style: It seems he's now borrowing the president's brand — and hawking familiar headwear.

Newsom and his team have made trolling Trump a deliberate part of their communications strategy, turning the president's often brash style against him.

That's been evident on his social media pages, which feature several all-caps messages signed with GCN (a riff on DJT's signature).