11.   But even the skeptics say that Wrigley is largely unrivaled in the global marketplace.

12.   But NASCAR may have a long way to go to catch up with football, basketball, baseball and hockey, skeptics say.

13.   But skeptics said it is not clear whether that would have happened anyway.

14.   But skeptics said such statements required a large leap of faith.

15.   But skeptics say he is unlikely to succeed amid mounting disapproval of his handling of the investigations and steadily rising calls for his resignation.

16.   But skeptics say the benefit is expensive and may just be short-term.

17.   But skeptics have said the route is too expensive and can never be built.

18.   But skeptics said the mere discovery of a new brainstem circuit adds little to the controversy surrounding the herb.

19.   But skeptics say that politics, not technology, may be the biggest factor in determining whether the Philippines can bridge the digital divide.

20.   But skeptics in Congress said they would not support the authority unless the president guaranteed that any agreement would include provisions to protect labor rights and the environment.