WASHINGTON - Robert Hur will arrive on Capitol Hill this week intent on turning down the political temperature surrounding his report on President Biden’s mishandling of classified documents, according to people familiar with his preparations. That won’t be easy. Hur, the special counsel appointed early last year to look into the Biden documents case, is expected to face intense grilling from lawmakers on both sides of the aisle Tuesday when he appears before the House Judiciary Committee, where the president’s allies are bracing for a new round of questions about Biden’s mental acuity. In a 345-page report last month, Hur,...