31.   All previous attempts to negotiate a settlement had foundered on her insistence on some statement of regret or contrition from the president.

32.   But deeply divisive issues of territory, governance and justice that defeated previous attempts to reach peace remain.

33.   But he says that previous attempts to use flywheels in car engines have foundered because the energy in the wheel dissipates very quickly.

34.   But neither of those cities had to be as patient as Salt Lake, which had failed in four previous attempts to become the host.

35.   But previous attempts at self-regulation in the derivatives markets have met with limited success.

36.   But previous attempts at gene therapy have been disappointing.

37.   Collier had made his previous attempt and had played a strong fourth quarter, inspiring Francis to give him his shot at the game-winner.

38.   Contrary to their posture in previous congressional attempts to mess with their coveted exemption, the owners clearly are taking this effort seriously.

39.   Critics who say they have seen previous attempts at radical reform bog down in bureaucracy are skeptical.

40.   Curiously, they never seemed to learn from their previous botched attempts or even remember them from one trial to the next.