Senator Kay Bailey Hutchison says she has removed language from her Wright Amendment bill that opponents saw as unwarranted antitrust protections.
Hutchison said the change gives her a majority in moving forward with the legislation, which would lift restrictions on long-haul flights from Dallas Love Field after eight years.
Senator Arlen Specter, chairman of the Judiciary Committee that has jurisdiction over antitrust laws, was among several lawmakers who had raised concerns.
Hutchison said now that Specter's concerns have been "satisfied," she will move forward with trying to move the bill to the Senate floor.
Under the Wright Amendment, flights from Love Field must land in Texas or eight nearby states.
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