WASHINGTON — House Oversight Committee Chairman James Comer says an informant file that he’s seeking from the FBI links President Biden to a $5 million bribery scheme while he was vice president. Comer (R-Ky.) revealed the size of the alleged bribe for the first time Wednesday in a letter to FBI Director Christopher Wray, threatening him with contempt proceedings if he doesn’t share the file pursuant to a May 3 subpoena. The informant tip is dated June 30, 2020, Comer wrote — an additional clue in the mysterious allegation that triggered a guessing game due to the Biden family’s extensive...