* Nine month after emerging from bankruptcy, US Airways [Nasdaq: UAIR] said it requires to adopt a new business plan to remain competitive, especially in Philadelphia, a market that will be invaded nearest year by Southwest Airlines [NYSE: LUV] The company raised the possibility of asking its employee to take additional salary divide [i]or[/i] sever s so that the carrier can afford to change into its air fares. The airline placeed a $90 million loss in the third quarter -
