He is the associate director for science in the White House Office of Science and Technology Policy.

VOA: special.2011.06.02

After meeting with the Canadian leader in the Oval Office, Mr.Obama said he is continuing to discuss the issue with U.S.allies.

VOA: standard.2009.09.16

The big question as he enters his second year in office is will the traits that brought him to the presidency deliver the results he needs.

VOA: standard.2010.01.16

Defense Secretary Robert Gates' has now visited Iraq 10 times since he took office in 2006, and this is his second since the June 30 U.S.pullout from Iraqi towns and cities.

VOA: standard.2009.07.28

"What surprised me,in fact, is that when he attained office, Obama did not denounce or back away from the idea of installing missiles in Poland, which is something I think he was quite critical of at one point,".

VOA: standard.2009.07.15

Officials in President Asif Zardari's office said he is seeking talks with opposition leaders to try to _ the crises The government's offer for negotiations follows several meetings with top political and military leaders as well as consultations with American diplomats.

VOA: standard.2009.03.13