"We are not trying to cut some separate deals," Stern said. "We'll try to get as much alliance as possible [between China and the United States] to get a deal in Copenhagen."
In Japan, Obama will meet with Prime Minister Yukio Hatoyama and hold a joint news conference.
The president will deliver a speech at which he will "discuss his view of American engagement in Asia as it relates to the political, security and economic dimensions, and to also reaffirm the strength of the U.S.-Japanese alliance," said Ben Rhodes, deputy national security advisor for strategic communications.
Before leaving Japan, Obama will also meet with the emperor and empress.
Overshadowing the stop in Japan is an ongoing dispute about the Marine Corps Air Station Futenma on the Japanese island of Okinawa. The two nations agreed in 2006 to shut down the air base and replace it with a facility in a more remote part of the island.
Hatoyama indicated this summer, before his election, that the base should be moved completely off Okinawa, a statement that was greeted positively by residents who have pushed for a reduction in the U.S. force presence there.
No final decision on the Okinawa issue is expected on this trip. Bader said it was not "ripe for resolution or a focus" of the president's visit and discussion will continue later to work out differences.
"I don't see the Okinawa base issue being a dominant or essential issue on the visit," Bader said. "We're having discussions with foreign ministry, with the Japanese defense forces and the prime minister's office on the issue. The new Japanese government is reviewing how it wishes to move forward on it."
In Singapore this weekend, Obama will participate in the Asia-Pacific Economic Cooperation forum and White House officials said the president will follow up on commitments made at the G20 economic summit in Pittsburgh.
Obama will meet with Singapore Prime Minister Lee Hsien Loong and hold separate bilateral meetings with the presidents of Russia and Indonesia.
In China, where bootleg copies of Obama speeches are sold on the street and young people where T-shirts with his face emblazoned on the front, the president will host a town hall-style meeting in Shanghai with Chinese youth and take questions from the audience.
"He certainly looks forward to this opportunity and felt that it was important, given the deepening engagement not just between the U.S. and Chinese governments, but really among the American and Chinese people, that he take an opportunity, as he has in other countries, to engage young people in a dialogue about the future of this relationship," Rhodes said.
In Beijing, Obama will meet with Chinese President Hu Jintao, as the economy, nonproliferation, the six-party talks, energy-climate issues and human rights (including Tibet) top the agenda.
The two leaders will hold a joint news conference and China will also host a state dinner for the president's visit.
In Seoul, the president will meet with President Lee Myung-Bak, and trade issues and continuing work on North Korea's nuclear ambitions will be front and center.
"North Korea, obviously, will be a principal focus of this stop," Rhodes said, "We'll be talking about how we reengage in the six-party process with the agenda of denuclearization and reaffirmation of previous commitments."