Nebraska, West Virginia and Maryland host pivotal primary elections: Live updates

A slate of primaries in Maryland, West Virginia and Nebraska on Tuesday will set the stage for competitive November general election battles that could determine the balance of power in Congress next year. The race to replace Sen. Ben Cardin, D-Md., who's retiring at the end of the year, is already among the most expensive elections in Maryland's history. Former Gov. Larry Hogan is expected to prevail in the state’s GOP primary, and Rep. David Trone and Price George’s County Executive Angela Alsobrooks are battling it out in the Democratic...