Dr Medarov said circadian rhythms of lung function may also have implications for the administration of asthma medications and the timing of medical procedures.

BBC: NEWS | Health | Lungs 'best in late afternoon'

He does it because it is his responsibility as steward of the executive branch to retain the capacity of this administration, and every administration going forward, to function appropriately and independently from the congressional branch of government.

WHITEHOUSE: Press Briefing

Does the administration believe that emergency contraceptive, because of its function, is in a different category than those other OTC medicines?

WHITEHOUSE: Press Briefing

Kirchner and his partners approved a law of financial administration which gives unlimited powers to government administrators to re-allocate budgets, a function usually carried in coordination and with the approval of Congress.

CENTERFORSECURITYPOLICY: The meaning of Kirchner's recent defeat