"It's a reminder about the dangerous world in which we live," Bush said.
He also called the tape a reminder the United States and its allies must work together to protect their citizens.
Bush made his observations after a meeting with Japanese Prime Minister Shinzo Abe at the Asia-Pacific Economic Cooperation summit in Sydney.
Bin Laden's latest taped message -- released days before the sixth anniversary of the Sept. 11, 2001, terrorist attacks -- contains praise for Allah and criticism of Bush.
Bin Laden chastised American voters, saying, "You permitted Bush to complete his first term, and stranger still, chose him for a second term," allowing him to "murder our people in Iraq and Afghanistan."
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