The prospect of a policy czar overriding them, observers note, might discourage good candidates for some of the executive Cabinet positions.

CNN: Now hiring: Obama still needs to fill top jobs

It will be important to ensure that the workup and interventions recommended are judicious, evidence-based, and not prohibitively expensive once these recommendations are introduced on a very broad scale, especially if practicing physicians and payers may feel wary about exercising their judgment and overriding them.

FORBES: Is IBM's Watson in Jeopardy? This Oncologist Thinks So!

In short, I released these memos because there was no overriding reason to protect them.

WHITEHOUSE: President Obama: Our Security, Our Values

Too great a stress on them and meeting the targets becomes the overriding goal.

ECONOMIST: Ministers can't think of a fourth way

TORINO, Italy (CNN) -- Torino bid farewell to the Winter Olympics in much the same way as it greeted them: with a spectacular celebration featuring at times bizarre images mixed with an overriding sense of fun.

CNN: 'Magnificent' Games sent off in style