WASHINGTON — Ex-White House Dr. Kevin O’Connor pleaded the Fifth Amendment and ducked out of his high-profile congressional deposition Wednesday over the purported shielding of President Joe Biden’s cognitive decline. Biden’s longtime personal physician exited the House Oversight Committee grilling just an hour after it started, with O’Connor’s attorney David Schertler telling reporters, “No comments to press.” “Dr. O’Connor pleaded the Fifth Amendment,” Oversight Chairman James Comer (R-Ky.) later revealed. “I’m gonna read the first two questions that were asked.” “‘Were you ever told to lie about the president’s health?’ He pleaded the Fifth Amendment,” the chairman said. “‘Did you...