House leaders accuse Minnesota governor Walz of $9 billion cover-up

Federal prosecutors contend that scam artists in Minnesota pocketed as much as $1 out of every $2 spent on Medicaid-backed assistance programs. Gov. Tim Walz, the failed Democratic vice presidential nominee, was dragged before the House Oversight and Government Reform Committee last week to explain his role in the fiasco.

"The buck ultimately stops with me. I do not shy away from that responsibility," Mr. Walz proclaimed in his opening remarks.