Kohl pushes anti-trust issue: Senator lauds Midwest Airlines as he objects to takeover bid.

Byline: Katherine M. Skiba

Mar. 8--WASHINGTON -- After Sen. Herb Kohl criticized the proposed hostile takeover of Midwest Airlines at a hearing Wednesday, he won a pledge from a top Justice Department official that any information sparking anti-trust concerns would be reviewed. Kohl, a Democrat, lauded Midwest Airlines, which he uses when flying to and from the nation's capital, as a "true success story." He said Midwest was unique as an airliner since it offered the highest quality of service and is "beloved by its customers." Kohl said if the proposed takeover by the company that owns AirTran Airways went through, he expected service would be "severely …