21.   Black firms on their own face daunting hurdles.

22.   Bluetooth is not expected to face either hurdle.

23.   Brancatelli said he thought American might face some hurdles if it decided to refit its fleet with more seats and reinstate the tighter coach seat pitches.

24.   A merger would face other hurdles, too.

25.   A settlement would face difficult hurdles, including getting legislation through Congress that would satisfy tobacco foes and their allies.

26.   A world trade agreement may face a hurdle.

27.   All the plans, though, face significant hurdles and may not become reality in the near future, officials say.

28.   But any bid for America West faces hurdles.

29.   But all the plans face significant hurdles and may not become reality in the near future, officials say.

30.   But because the group includes Veba, which already has big utility holdings in Germany, the deal may face regulatory hurdles.