How could the senator's campaign have missed the red flags over Hsu? As Democratic fundraiser Norman Hsu confronted an old criminal case and faced a new FBI investigation Friday, a fundamental question persisted: How did Democratic presidential front-runner Sen. Hillary Rodham Clinton's campaign fail to see the red flags in Hsu's contributions? Until this week, Clinton counted Hsu as one of her most prolific money bundlers. He gave her campaign $22,300, regularly appeared as a co-host for major fundraising lunches and dinners, and raised more than $100,000 from his friends for her presidential run. Obviously, we were all surprised by...