How Did Kamala Harris Pick Tim Walz? She Trusted Her Gut.
New York Times
The ambitious Josh Shapiro asked about his role as vice president. The battle-tested Mark Kelly was already seen as a third option. And the go-lucky Mr. Walz promised to do anything for the team.
https://www.nytimes.com/2024/08/06/us/politics/harris-tim-walz-vp-pick.html