A few Democratic hopefuls for president plan to stop in Sioux City over the next couple of days. New York Senator Kirsten Gillibrand will appear at the Key Club on 4 th Street tonight at 6:30. She plans to discuss her vision for American. Then tomorrow night California Senator Kamala Harris plans to hold a rally at the Anderson Dance Pavilion. Harris is on a five-day river-to-river bus tour across the state of Iowa. Also, on Thursday night former Colorado Governor John Hickenlooper will attend a