Pressure from the president's liberal Democratic base is likely to have an impact on that decision, says former assistant secretary of state Teresita Schaffer.

VOA: standard.2010.07.30

Some members of the U.S.Olympic Committee have indicated Mr.Obama's absence in Copenhagen would be noticed, and could have an impact on the decision making process.

VOA: standard.2009.09.16

And again,it is two-fold: one is,we want to help our colleagues in Mexico, but it does have an impact on safety and security in the United States."

VOA: standard.2009.03.24

they may even have an impact on the heart's electrical function.

VOA: standard.2010.03.25

"Its deficiencies,in fact, have had an adverse impact on our security."

VOA: standard.2009.09.29

It was a big victory for the president. In brief remarks at the White House about an hour after the Senate vote, he spoke of the impact reform will have on the American people.

VOA: standard.2009.12.25

"President Zardari's troops are risking their lives courageously fighting extremists as we speak, a vital task which of course has had an impact on human beings and their local communities many of whom have been displaced as a result,"

VOA: standard.2009.05.13