While in New York, Mr.Obama also addressed a high-level summit on climate change,called by U.N.Secretary-General Ban Ki-moon.

VOA: standard.2009.09.22

World Health Organization Director-General Margaret Chan said the alert level was stepped up because influenza viruses are unpredictable and can spread quickly around the world.

VOA: standard.2009.04.29

Morrell said the general's request will contain further analysis and a range of force level options for the president to consider, along with a statement of the risks of each option.

VOA: standard.2009.09.23

The official number is secret, but news reports say the general wants about The request is controversial, not least because with the U.S.troop level in Iraq expected to remain around its current 120,000 for at least several more months, the strain on the U.S.Army is considerable.

VOA: standard.2009.10.13