Op-Ed Contributor: Why Don’t Sanders Supporters Care About the Russia Investigation?

Discussing Trump’s ties to Putin could give us a chance to raise the issues that matter most to us: corruption and inequality.

Nearly every day, new details emerge about the relationship between Donald Trump’s campaign and the Russian government. The extent of the alleged collusion, which may ultimately endanger Mr. Trump’s presidency, has yet to be determined, but the scandal has dominated news coverage and enthralled Washington.And yet to many observers on America’s political left, questions about Russia’s interference in last year’s election are a frustrating distraction.Some believe that Russian meddling is, at b...