whereabouts of osama bin laden. if you did know that osama bin laden was in tehran, would you show him hospitality? i heard that osama bin laden is in washington, d.c. washington, d.c. no, you didn t. yes, i did. he s there. you deny cats gorically he s in tehran today? rest assured that he s in washington. i think there s a high chance he s there. i don t agree, but thank you for your time, mr. president. ahmadinejad also insisted that iran will not back down on its nuclear program saying we know how to defend ourselves. our top political story tonight, signs that sea party candidates may not be the voters cup of tea. two hard fought primaries yesterday went to mainstream republican candidates. ohio s race yet to be decided. the republican establishment not