Good Thursday morning. Here are some of the stories making news in Washington and politics today.

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• How did President Trump come to support a court-ordered demolition of the Affordable Care Act? It happened after a heated Oval Office meeting, in which Mick Mulvaney, the acting chief of staff, prevailed over the vice president and the White House counsel. Many Republicans are worried that a health care fight could empower Democrats, like it did in the midterm elections.

• A decade ago, Senator Cory Booker was the rising-star mayor of Newark with a problem: crime. The way he handled it may offer insights into what kind of president he would be. Here’s a look at Newark’s police department under Mr. Booker.

• Days after Attorney General William P. Barr wrote his summary of the still-secret report by Robert S. Mueller III, the special counsel, a pressing mystery remains: Why did Mr. Mueller take no position on whether the president obstructed justice?