41.   But the real challenge for Delk will be regaining his conditioning.

42.   But this new system will present them with a real challenge.

43.   Buying the pork is the real challenge.

44.   Certainly Clinton and Gingrich have a real challenge on campaign finance.

45.   Competing with neophytes on the interstates is a real challenge.

46.   Curling resembles shuffleboard played on an ice rink and presents no real challenge in coverage.

47.   Discovering the sequence is an essential step toward mapping the entire human genome, though the real challenge will be to put the sequence together properly.

48.   Diplomats described the meeting as not confrontational, with no real challenges to Butler, as the Iraqis have demanded.

49.   Facing his first real challenge to stand up for a sensible political order, he turned into a paper tiger.

50.   Family businesses are a real challenge.