BILLINGS, Mont. -- Was it a wolf, or wasn't it? The mysterious, sheep-killing predator shot and killed a month ago between Jordan and Circle was initially thought to be a wolf. But now, wildlife officials aren't so sure. "Frankly, it has mixed characteristics," said Carolyn Sime, head of the wolf program for Montana Fish, Wildlife and Parks. Some clues indicate that it's not a wolf from among the 1,200 or so that live in Montana, Wyoming and Idaho. The animal shot in Garfield County in early November had shades of orange, red and yellow in its fur, unlike the Northern...