Inside the White House, the President is watching announcement rallies, tuning into televised town hall sessions with voters and listening carefully to commentary on the Democratic presidential race. His opinions fluctuate on who he will, or would like to, run against. But one sentiment is unwavering — he has no plans to sit idly by and watch.

The President intends to play an active role in the Democratic primary and has instructed his aides to look for ways he can, according to more than a dozen Republicans involved in his campaign. His team is working to sow divisions among rivals and looking for opportunities to “cause chaos from the left and right,” in the words of one adviser.

“The President wants to get into the game,” said a top Republican who talks to Trump frequently, speaking on condition of anonymity to share a private conversation. “People may knock him in terms of running the government, but he gets the campaign and can’t wait to get started.”…