National Public Radio: LINDA WERTHEIMER, host: Today, the man who managed the fund for 9-11 victims and pay packages for executives at bailed out companies officially takes over the BP claims process. Kenneth Feinberg will administer the $20 billion fund set to compensate oil-spill victims. And as NPR’s Wendy Kaufman reports, the process is already under fire for being unfair. WENDY KAUFMAN: Kenneth Feinberg says he will make interim payments to eligible individuals within 48 hours. …