The others were chosen for reasons of political payback, regional and ideological balance, and experience.
But within a very short period of time the ideological balance of power in the town shifts dramatically.
There was a day when presidential nominees chose running-mates who provided ideological balance.
Pledging a "revolution in ideas," he hardly disturbed the nation's political or ideological balance.
The ideological balance was essentially unchanged in either house.
The campaign, one of the most bitterly contested in the country, could shift the ideological balance of the court.
They oppose any attempt at an ideological balance.
The ideological balance of the cabinet is roughly as before.
A changed ideological balance of power is different from spreading reservations about our misadventures in Iraq.
Yet the Clinton administration never saw its role as reasserting ideological balance on the courts.