Praise for man-of-the-match against Scotland Ahn Jung-Hwan has been abundant in the country's media.
South Korea's Park Tae-Hwan won the silver in an Asian record of 1:44.85 with American Peter Vanderkaay third in 1:45.14.
Okada made the rare apology during a joint news conference with South Korean Foreign Minister Yu Myung-hwan, Korean state-run media reported.
"A lot of them would like to go to Stanford's campus, but they lack the time, " says Kim Kyung-Hwan, the federation's program manager.
During Mr Kim Young Sam's presidency, two former presidents, Chun Doo Hwan and Roh Tae Woo, were jailed for treason, insurrection and taking bribes.
Chun Doo-hwan and Roh Tae-woo, both former presidents, went to jail for soliciting hundreds of millions of dollars from the country's biggest business groups.
Choi refused to take part in the trial of his convicted successors Chun Doo Hwan and Roh Tae Woo, the men who ousted him from power.
Yu Myung-hwan, the foreign minister, has said South Korea would take the matter to the UN Security Council for additional sanctions if there were hard evidence that North Korea was involved.
South Korea's third-largest mobile operator, which also operates landline services, said the company's networks are operating normally and it did not see any signs of a cyberattack, company spokesman Lee Jung-hwan said.
"Samsung's 50 and 30 LED monitors illustrate our commitment to releasing top-of-the-line products that are environmentally-friendly and address the needs of consumers, " said Jin-hwan Kim, Vice President, Visual Display Business, Samsung Electronics.
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Defending Olympic champion Park Ta-Hwan was leading at the final turn, but the 20-year-old Sun surged past his South Korean rival in the final length to seal a place in Chinese Olympic history.
CNN: China celebrates first swimming golds and a world record
Roh is the nation's third former president to be summoned, following in the footsteps of Chun Doo-hwan and Roh Tae-woo, both of whom were convicted in 1995 of receiving bribes and inciting a mutiny.
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