Washington (AP) - Three decades of airline deregulation have helped make air travel more accessible to consumers through lower fares.

Now labor unions are questioning whether the industry is paying the price, and the Obama administration is listening.

Transportation Secretary Ray LaHood was holding a forum Thursday to discuss the state of the airline industry, which is mired in a severe economic slump and blamed for using a business model critics say undermines safety.

The industry has suffered repeated shocks in recent years, including the 9/11 terror attacks, the SARS virus, volatile oil prices and the current economic downturn...