Steps could cost city up to $5 million per week. After President Bush’s speech Monday, New York authorities began implementing “Operation Atlas” — a plan to bolster security throughout the city, a law enforcement source said. New York suffered the most devastating blow September 11, 2001, when terrorists on a suicide mission hijacked two commercial jetliners and flew them into the World Trade Center, killing more than 2,700 people. The Pentagon suffered a similar attack, and a third hijacked airliner crashed in Pennsylvania. In his speech, Bush said U.S.-led military action to disarm Iraqi President Saddam Hussein could spark more terrorist attacks on the United Sates. Operation Atlas, which could cost the city more than $5 million a week, will go into full effect should war with Iraq begin, the source said. Full Story