21.   But two presidents have faced that test and failed it.

22.   But White House officials say a future president would face political constraints against reducing protections on federal lands.

23.   Every problem the new president will face will be different than the ones his predecessor confronted.

24.   Hastert recognizes that the president faces his own pressures.

25.   If Starr can prove Clinton lied in court, the president could face impeachment proceedings.

26.   In a week or two the president would likely face a humiliating override of his veto.

27.   In essence, the president faced four regional parties based on tribal loyalties.

28.   In the Oval Office, presidents have faced questions of war and peace and the welfare of the people.

29.   Instead, the Manhattan borough president is facing a challenge that would confound even the most skillful politician.

30.   It is just one of many political calculations the president faces.