USA TODAY Senior Investigative Reporter Emily Le Coz looks into the safety of container shipping, and whether tugboats could have prevented the Baltimore bridge disaster.The economic impact of the bridge collapse will be severe.USA TODAY Democracy Reporter Erin Mansfield explains a tool to challenge voter registrations.Former senator and vice presidential nominee Joe Lieberman is dead at 82.Students used AI to create nude photos of their classmates.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.