Democrats to press defiant attorney general on response to protests, intervention in high-profile cases

As he makes a highly anticipated appearance before the House Judiciary Committee on Tuesday, Attorney General William P. Barr is expected to face critical questions from Democrats about the government’s response to anti-police brutality protests across the nation, his controversial interventions in high-profile cases and an array of other matters.

Barr will tell the House Judiciary Committee that President Trump has not inappropriately intervened in Justice Department business — even though Barr has more than once moved in criminal cases to help the president’s allies — and he will defend...