DES MOINES, Iowa -- A Des Moines girl was suspended after school officials said she violated their weapons policy. Jazmine Martin, 12, brought an empty shotgun shell to school on Monday, a souvenir from a summer vacation to South Dakota. The shell was empty and had the word "blank" written on the front. "We went to South Dakota and went to the Circle B Ranch," said Chenoa Martin, Jazmine's mother. "There's a show of the old West -- a stampede. Had a gun shoot-out and stuff like that. When they fire their rifles, they do it into the crowd. It...