21.   As our population grows older, walking is a more appropriate exercise for many.

22.   As a result, walking has been losing ground.

23.   As a result, Walking is more accessible and makes greater use of graphics, short secondary articles and charts.

24.   As things turned out, walking in is what did it.

25.   Because of his condition, walking long distances is nearly impossible.

26.   After a decade of disappointment and much more than their share of heartache, the Celtics are finally walking around with smiles on their faces.

27.   But at this point, merely walking was a challenge.

28.   But Steve Pate said he still thinks walking should be required for participation.

29.   But Reardon, citing numerous instances when pro golfers use carts, argued that walking was not a fundamental part of the game.

30.   But walking away now is not easy to do.