Obama has spent two long weekends at Sunnylands since June, mixing diplomatic duties with the pursuit of a favorite pastime: golf.
By comparison, he visited the real Camp David, the official mountaintop presidential retreat in Maryland, three times last year. He most recently took family and friends to the secluded compound in August to celebrate his 52nd birthday but has yet to visit this year.
Obama is the eighth American president since the mid-1960s to enjoy the 200-acre Sunnylands property, which includes the Annenberg's 25,000-square-foot home, a nine-hole golf course, tennis court, 11 lakes, a swimming pool and a mausoleum where the Annenbergs are interred. The property also has many walking paths, reflecting pools and multiple varieties of wildlife and arid-landscape plants.
Hosting King Abdullah II of Jordan at Sunnylands this past weekend, Obama said the lush venue would allow for extensive talks in a less formal setting.
He welcomed China's new president, Xi Jinping, here last June for a two-day summit that was partly designed to help them start to build a personal relationship even as they hashed out thorny issues between their countries.
Besides his charitable giving, Walter Annenberg was a diplomat who entertained royalty, presidents and celebrities at Sunnylands. The Annenbergs willed the property to a family trust in hopes that U.S. presidents and other high-level U.S. government officials would use it for retreats that further international diplomacy, said Janice Lyle, director of the Sunnylands Center & Gardens.
"Walter and Leonore Annenberg were outstanding philanthropists and diplomats who hoped that their estate would become the 'Camp David of the West,' where the president could meet with world leaders to promote global peace and facilitate international agreement," said Geoffrey Cowan, president of the Annenberg Foundation Trust at Sunnylands.
Lyle said the center was thrilled by Obama's visits.
"People are just taken by this beauty, and it allows them to relax and to interact in more meaningful ways than they might somewhere else," she said.
In the 1980s, Ronald Reagan and his wife, Nancy, celebrated every New Year's holiday during his two-terms in office at Sunnylands. Reagan and Walter Annenberg, who also lived in the Philadelphia area, had a decadeslong friendship that started before Reagan gave up acting for politics.
In 1990, George H.W. Bush and his wife, Barbara, held a state dinner at Sunnylands for Japanese Prime Minister Toshiki Kaifu.
Gerald and Betty Ford also visited. They had a home in Rancho Mirage, where the Betty Ford Center is also located.
Dwight D. Eisenhower was a former president when he came in 1966. He also had a home in the area.
President Richard Nixon drafted his final State of the Union address while at the property in January 1974. He visited in August of that year he had resigned the presidency in disgrace. Bill Clinton and George W. Bush also have passed through Sunnylands.
After his meetings with Xi and Abdullah, Obama chose to spend the weekend on the property instead of immediately returning to Washington. Both times, a trio of childhood friends from his native Hawaii flew in to tee off with him on the estate's nine-hole golf course despite the desert heat.
Last year, Obama spent the entire weekend cloistered behind Sunnylands' gates, but this time he made a couple of trips off campus.
On Saturday night, Obama's motorcade took him to the mountaintop home of Michael Smith, the interior designer who decorated the Oval Office and the Obama living quarters in the White House. On Sunday, Obama passed up the Sunnylands course in favor of a private, 19-hole one owned by supporter Larry Ellison, the Oracle software company co-founder who Forbes magazine says is worth $41 billion.
Obama played all 19 holes.
On Monday, he played a final game on the Sunnylands course before the return trip to Washington. It was the 163rd golf outing of his presidency, according to CBS News White House reporter Mark Knoller, a respected keeper of presidential statistics.
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