Tim Walz formally accepted the US Democratic Party’s nomination to join the ticket with presidential candidate Kamala Harris on Wednesday, the third night of the party’s convention. “It is the honour of my life to accept your nomination for vice president of the United States,” Walz said in Chicago. “We’re all here tonight for one simple, beautiful reason: We love this country.” In his speech Walz thanked US President Joe Biden for “four years of strong, historic leadership” and Harris “for putting your trust in me and for inviting me to be part of this incredible campaign.” He also drew on hi…