Graham Platner tests Democrats' tolerance for scandal

Donald Trump shattered long-held political norms when Republicans elected him twice despite scandals that would have sunk most candidates. Maine Senate candidate Graham Platner is testing whether Democrats are willing to play by the same rules.Why it matters: The answer will show whether voters' tolerance for scandal — long thought to be a Trump-only phenomenon — is hardening into a broader feature of American politics.Driving the news: Platner suffered the latest in a string of setbacks when th...