John Logsdon is a member of NASA's advisory council.

VOA: special.2010.04.28

Among those prevented from approaching the area was 36-year-old Dmitri Diliani, a member of the Revolutionary Council of the ruling Palestinian Fatah faction of Palestinian President Mahmoud Abbas.

VOA: standard.2009.10.05

But she noted that the United States and its partners in the P-Five-Plus-One group the five permanent U.N.Security Council member countries and Germany are pursuing a two-track strategy of incentives for Iranian nuclear cooperation and "consequences" if it fails to fulfill international nuclear obligations.

VOA: standard.2009.11.09