1.   And nobody needs a political calendar that makes the presidential election begin so early and run so long.

2.   Announcing his candidacy three years ago, he rewrote the political calendar in which no campaigning ever began before the sitting president had handpicked his successor.

3.   After that, exhaustion and the political calendar will take over.

4.   But because of the political calendar, what Shaheen has said appears pretty clear.

5.   But changing political calendars and campaigns is notoriously hard, and renowned for unintended consequences.

6.   But it is too late in the political calendar for a commission to do any good.

7.   But the American political calendar requires the appearance of a foreign-policy success and a major troop withdrawal.

8.   But the political calendar could have been compressed without shutting Netanyahu and other potential candidates out of the race.

9.   But there is more to it than the ebb and flow of the political calendar, Callahan said.

10.   Clearly, this point in the political calendar finds the Republicans with the more competitive race.