WASHINGTON — Gov. Tim Walz (D-MN) is a seemingly safe, even bland, Democratic vice presidential pick. And that has many Democrats cheering. Walz will face down GOP vice presidential nominee J.D. Vance, and Democrats who served with Walz during his 12 years in Congress say the two-term Minnesota governor is ready. “You’ve got somebody who’s nuts and bolts, who’s meat and potatoes, and that’s the governor, Gov. Walz,” Rep. Lou Correa (D-CA) told Raw Story in a phone interview. “And you’ve got Mr. Vance, who’s a young guy who talks a lot, who, you know, has interesting ways of expressing himself,…