(Reuters) – Allegiant Air’s pilots have voted in favor of authorizing a strike action if the carrier fails to reach a fair agreement, the Teamsters union said on Thursday. The union, which represents 1,300 pilots of the low-cost U.S. carrier, said 97.4% of the Allegiant Air pilots voted for authorizing a strike. “Allegiant pilots are some of the most overworked and underpaid in the airline industry,” the union said in