Paul Manafort, President Donald Trump’s former campaign chairman, pleaded not guilty to tax and bank fraud charges in federal court in Virginia on Thursday, setting up the prospect of back-to-back trials stretching through the summer into Mr. Manafort’s business dealings.

U.S. District Judge T.S. Ellis scheduled the trial to begin on July 10. Prosecutors asked for the trial to come before a related trial Mr. Manafort is set to face in Washington in September, while Mr. Manafort requested a November date.

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