Some call it "the last best chance" for an agreement to fight climate change.

VOA: special.2009.12.12

In the Democratic Republic of Congo, Al'Hadj Saidy Ngongo Lutete said Zubeda Buhendwa said the president's speech is a chance to change misperceptions.

VOA: standard.2009.06.04

Observers say the upcoming four-day trip, which begins with an overnight stay Thursday in Mexico,will give Mr.Obama a chance to change that perception.

VOA: standard.2009.04.15

"Until we change that perception, there is frankly very little chance of ending tolerance for terrorist groups.

VOA: standard.2009.05.04

"A much diluted bill and one that will leave many of the liberal Democrats unhappy because they thought this was their chance to get sweeping change."

VOA: standard.2009.09.28