So why, critics ask, did it take so long if it was really so necessary?

ECONOMIST: The Iraq war

Ask your doctor if the test they want to order is really necessary.

FORBES: Calculating The Cost Of Health Care Premiums

Ms. TALBOT: They are - two are on the fence, and the other sister really wants to keep the material and if necessary have a neutral party go through and just pull all, for example, the sketches, anything that would be of value in relation to my mother's work.

NPR: Family Pauses over Woman's Posthumous Request

If consumers really wanted green cars, no mandate would be necessary.

WSJ: Obama's Car Puzzle

And I think that's still the case but I think all of us are watching really intensively and we will take further action if we conclude that that's necessary in the light of what we see as we come to learn more about what the impact is.

BBC: News | BREAKFAST WITH FROST | Sir Edward George

If you really want to go abroad and don't want to jump through the hoops necessary to land a government or corporate posting first, you can always just up and go, both Segal and Couper suggest.

FORBES: Business Basics