21.   A determined effort to catch them is likely to succeed eventually.

22.   A determined effort on the part of Dawn Powell aficionados has recently brought her novels back to print and popularity.

23.   ABC and ESPN, both units of the Walt Disney Co., made a determined effort to turn their combined strength into an enhanced presence on the tour.

24.   Administrators at West Point have made a determined effort to keep pace with a fast-changing world during the past four decades.

25.   But even Lozano has not yet made a determined effort to clean up the federal police, the first line of official protection for Mexican drug traffickers.

26.   But for the good of the nation, they should reconsider, and desist from their determined effort to lower the impeachment threshold.

27.   But Callen warns that unless determined efforts are made to change an underlying community culture of tolerance, Youngstown will endlessly relive its corrupt habits.

28.   But kids who make a determined effort can also find jobs as far afield as congressional offices and video game firms.

29.   Congress has seen bipartisan calls for more determined efforts to limit these entitlements to the truly entitled, but reforms have been easier to propose than to pass.

30.   Despite opposition from the United States and European governments, President Milo Djukanovic is making a determined effort to lead his republic to independence.