The election of the nation's first democratic president in eight years and the country's economic turmoil is prompting more people to take up arms, according to local gun rights supporters. The promoter of the West's largest gun and ammunition expo said that attendance at some shows across the nation has increased by 50 percent to 100 percent. He expected attendance of about 12,000 for this weekend's show at the South Towne Expo Center in Sandy, compared to a typical crowd of around 9,000. The show will begin at 9 a.m. Saturday and Sunday. "Sales at shows, particularly in the area...