Democrats on the House Oversight Committee are welcoming Trump's tweets on launching an investigation into unfounded allegations of voter fraud.

Elijah Cummings, along with James Clyburn and Robert Brady, wrote on Medium that they welcome an investigation, and will be sending a letter to all state AGs and voter officials "requesting all cases in which their offices have determined that an individual who cast a vote in the November election was prohibited from doing so."

And Cummings added a dig at Trump: