Northwest Airlines has yet to emerge from the perilous downturn in the travel industry, though the airline is performing better than most of its peers. Flights are filling up, but Northwest is flying fewer planes, and making less money off their once all important business travelers. Now analysts say the Eagan-based airline may soon ask its employees to help it avoid sinking any further. But the airline's unions say they don't trust Northwest's management, and they will resist giving back what they call hard-won wages and benefits. Minnesota Public Radio's Andrew Haeg reports.