AP - Florida authorities are investigating a threatening letter sent to Gov. Charlie Crist that contained a suspicious but nontoxic white powder.

AP - Despite persistent questions about the ages of several members of the Chinese women's gymnastics team that won the gold medal, the International Olympic Committee said Friday there is still no proof anyone cheated.

AP - Barack Obama said Thursday he's chosen his running mate, but coyly kept all the details to himself as he campaigned with one leading contender and planned a major rally to present the Democratic ticket Saturday in Illinois.

Reuters - The International Olympic Committee has ordered an investigation into allegations Chinese authorities covered up the age of a double gold medal winning gymnast because she was too young to compete.

AP - A threatening letter containing an unidentified white powder was sent to a John McCain campaign office in this south Denver suburb Thursday, authorities said. No injuries were immediately reported. Authorities later said the substance was not hazardous.