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.

AP - The International Olympic Committee said Friday it had asked gymnastics officials to investigate whether the Chinese women's gymnastics team that won the gold medal had underage athletes, saying "more information has come to light."

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.

AP - Russian forces lingered deep in Georgia on Thursday, digging trenches and setting up mortars a day before Kremlin officials promised to complete a troop withdrawal from this former Soviet republic.

AP - John McCain may have created his own housing crisis.