EDINA, Minn. - An Edina mother got the national spotlight Monday, competing to be the next American Ninja Warrior. Sarah Schoback, 32, participated in the final round in Kansas City Monday night. Known as the "Ninja of the North," Schoback trains with fellow Minnesotan and American Ninja Warrior contestant, Sara Heesen. Schoback missed out on the opportunity to go on to Las Vegas by three-tenths of a second on Monday. But that paved the way for Heesan to go. Schoback is a sta