Rakhat Aliev, the exiled former son-in-law of Kazakhstan’s President Nursultan Nazarbaev, says he’s ready to give evidence in a U.S. investigation into whether Nazarbaev and other Kazakh officials took bribes from U.S. businesses to receive lucrative oil contracts more than a decade ago. Aliev’s offer comes the same week that “The Wall Street Journal” reported that Aliev’s former wife — and President Nazarbaev’s eldest daughter — Darigha Nazarbaeva, hired U.S. firms to monitor the investigation into those bribery allegations, known as “Kazakhgate.” Full Story