Will Amy Klobuchar run for Minnesota governor? Walz’s announcement sets off a major midterm shift

By Eric Bradner, Jeff Zeleny, CNN (CNN) — Minnesota Gov. Tim Walz’s decision to abandon his bid for a third term has suddenly sparked one of the biggest political questions of the new year: Will Sen. Amy Klobuchar run for governor? Walz’s announcement on Monday — 16 months after he was tapped to become the