KENOSHA, Wis. — The trial of Kyle Rittenhouse kicks off Monday with the challenging task of seating jurors who haven’t already made up their minds about the man who shot three people, killing two, during a violent night of protests last year.Rittenhouse was 17 when he made the short trip north from his home in Illinois, just across the Wisconsin border, during protests that broke out in August 2020 after a white police officer shot Jacob Blake, a Black man. Rittenhouse, now 18, faces life in prison if he&rsquo …