21.   The political calendar gives the candidates little time to draw a breath.

22.   The season is a meaningful one on the political calendar on both sides of the Irish border.

23.   The speech is the culminating rite of the annual political calendar.

24.   The states where labor is strong are also the states that figure early in the political calendar.

25.   There are also chronological constraints of the political calendars in Israel and America.

26.   This will create a new landmark in the political calendar, a giant national primary that will henceforth seal the fates of aspiring presidential candidates.

27.   Underlying the dispute is the inexorable political calendar.

28.   While other changes in the political calendar are likely in coming months, Iowa is already settling in for a Republican free-for-all sometime early next year.

29.   But a complicated political calendar and the calling of early elections for March this year prevented it from being debated.

30.   For the ambitious, however, the political calendar is full of important events that provide opportunities to best rivals and catapult into the highest ranks of party power.