(Continued from page 18)

• No one claimed responsibility for the two explosions that killed three and wounded more than 140, but the president vowed to "find out who did this."
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• 2. WORLD'S CITIES ON EDGE
• Cities from Los Angeles to London see a surge in security and police were monitoring landmarks, government buildings and sporting events.
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• 3. ANOTHER MARATHON ENDS, 'THEN I HEARD THE FIRST BLAST'
• AP Sports Writer Jimmy Golen, covering his 18th Boston Marathon, says he saw a bloody, chaotic scene shortly after the explosions rocked the finish line.
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• 4. A MERIT VISA IN NEW IMMIGRATION BILL
• The visa in the plan being presented to the Senate this week would aim to bring talented workers to the U.S.
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• 5. A DEMAND FROM NORTH KOREA
• Pyongyang issued an ultimatum for an apology from South Korea for "hostile acts" and threatened unspecified retaliatory action.
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• 6. OBAMA SCOURS SENATE FOR GUN CONTROL SUPPORT
• Republican opposition is growing to a proposal to expand background checks for firearms buyers.
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• 7. ATTACKS IN IRAQ BEAR HALLMARKS OF AL-QAIDA
• A series of deadly car bombs appears aimed at sowing fear days before the first elections since U.S. troops withdrew.
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• 8. WHAT WAS FOUND ON ASSAULTED TEEN
• Audrie Pott's family attorney says her attackers wrote and drew on intimate parts of her body.
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• 9. WHY WALL STREET WAS SPOOKED
• The stock market had its worst day of the year, trigged by fears of an economic slowdown in China.
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• 10. A SECOND COMING-OUT FOR BASKETBALL GREAT'S SON
• Earvin Johnson III, Magic Johnson's 20-year-old son, said he revealed to his supportive family years ago that he was gay.

(Continued on page 20)