Morning Digest: Mandela Barnes wraps up huge week as all three major rivals bow out and endorse him

_{The Daily Kos Elections Morning Digest is compiled by David Nir, Jeff Singer, Stephen Wolf, Daniel Donner, and Cara Zelaya, with additional contributions from David Jarman, Steve Singiser, James Lambert, David Beard, and Arjun Jaikumar.}

Subscribe to The Downballot, our weekly podcast

Leading Off

● WI-Sen: Lt. Gov. Mandela Barnes all but locked up the Democratic nomination for Senate on Friday when his last remaining major rival, state Treasurer Sarah Godlewski, abandoned her campaign and gave him her endorsement ahead of Wisconsin's Aug. 9 primary.