Democrats seize on Mueller hearings in election security push

Democrats calling for action on election security legislation got a boost from Robert Mueller this week after the former special counsel issued a dire warning to lawmakers about Russia’s intentions for 2020.

Mueller emphasized during Wednesday’s hearings that in addition to interfering in the 2016 presidential election, the Kremlin is laying the groundwork “as we sit here” for a repeat performance next year.

Interference in the last presidential election did not consist of a “single attempt,” but instead entailed a large social media disinformation campaign and hacking operations, the former...