HAWARDEN, Iowa | Police said a Hawarden, Iowa, man shot at three vacuum cleaner salesmen on Saturday. No one was hurt. Samuel Harrison, 50, was charged with felony going armed with intent and intimidation with a dangerous weapon, and misdemeanor assault and operating while intoxicated - second offense. Harrison shot at the Omaha-area sales crew in the 4800 block of Buchanan Avenue about 3:15 p.m. Saturday, police said. No one on the crew was hit. "For whatever reason, Mr. Harrison became upset about them in the area and he fired off several rounds out of his shotgun," said Sioux County...