Who is Tim Walz? Get to know Kamala Harris' pick for vice president

Tim Walz, from a small Nebraska town, served in the Army National Guard for over 20 years, reaching Command Sergeant Major. He became a high school teacher and coach before entering politics in 2007, serving six terms in the US House of Representatives. Walz, the highest-ranking enlisted soldier in Congress, focused on veterans' healthcare. In 2019, he became Minnesota's governor, handling the COVID-19 pandemic and George Floyd's murder aftermath. Known for his candid style, Walz has gained attention for his remarks on Donald Trump and GOP nominee JD Vance. He campaigns with Vice President Harris in key states.

How did Tim Walz respond to the murder of George Floyd?

What was Tim Walz's approach to his political campaign as mentioned in the text?