Explosive devices can be used to kill prairie dogs, the Colorado Wildlife Commission decided Thursday - giving farmers one more tool to get rid of the burrowing animals. "I'm tickled pink," said Matt Fickes, a Sterling farmer who has sought to use the devices. "I've got prairie dogs so thick I can't see straight. "Ever see that Star Trek episode, 'The Trouble With Tribbles'? It's like that," he said. "They are born pregnant." Landowners have been allowed to shoot, vacuum, poison and drown prairie dogs - but not blow them up. Now they'll be permitted to use hand-held devices, such...