SIOUX FALLS, S.D. (KELO) -- At restaurants, bars and coffee shops around downtown Sioux Falls, you'll see signs advertising Mash Madness. But soon, the competition will be over, and the winners of this year's competition will be announced. "We've been doing Mash Madness since the beginning," said Br ee Sanders, assistant service manager at Blarney Stone. [...] ...read more read less