21.   The president canceled a political trip on Friday to Missouri and Arkansas, but was scheduled to go to Denver and Seattle on Saturday to raise money for Democrats.

22.   The president had canceled a string of recent appearances, including a high-level Kremlin meeting earlier Monday.

23.   The president canceled a political trip on Friday to Missouri and Arkansas, but does plan to go to Denver and Seattle on Saturday to raise money for Democrats.

24.   The president canceled her engagement on the advice of the police.

25.   The president also has canceled a trip to Malaysia scheduled for next month.

26.   The president canceled a planned visit to Denmark in March because of a knee injury.

27.   The president also has canceled a trip to Malaysia for a summit next month.

28.   The president canceled the first day of a four-day country-spanning trip to stay at the White House and deal with the crisis.

29.   The president had cancelled a string of recent appearances, including a high-level Kremlin meeting earlier Monday.

30.   The Russian president has canceled a number of foreign trips since last fall because of health troubles.