In light of the Pakistani Taliban's alleged involvement, some speculate there could be a shift in US policy toward Pakistan.

VOA: standard.2010.05.18

He says neither side expects a major shift in relations, but the White House does have reason for concern.

VOA: standard.2009.11.12

But a shift in emphasis to security issues offers a new set of challenges for the president.

VOA: standard.2010.01.06

With hundreds of farmers not planting traditional food crops this season, Nkansah believes there is a real risk that the shift to biofuels will result in food shortages.

VOA: standard.2009.08.23

The alleged use of special operations troops in the raid could signal a shift away from the controversial U.S.tactic of relying on long-range missile assaults to take out terrorist targets.

VOA: standard.2009.09.15

A rebound is expected in 2010, but the US government predicts a shift in the makeup of foreign visitors, with arrivals from Asia and South America growing by double digits.

VOA: standard.2010.05.04

"But I do think that in general we have seen a shift from, for lack of a better term, professionalized terrorist operations to those that are conducted by not exactly amateurs, but folks with less training and less capability generally, technical capability."

VOA: standard.2010.05.05

U.S.Defense Secretary Robert Gates. "There is a general feeling I could say that with all these additional troops and all these additional efforts that everybody is making to get to the elections in Afghanistan, to have a free and fair election and then see over the next months whether we can begin to shift the momentum,".

VOA: standard.2009.06.11