the global economy is so troubled. we ll explain. next up, iraq. the nation is on the brink of disaster according to its former prime minister. i will talk to him about iraq s struggles, and we will ask two participants whether the iraq war was worth it. an important debate. here s my take, first. finally, it looks like former massachusetts governor mitt romney will win his party s nomination, so republicans are following a familiar pattern. they re nominating the mainstream candidate who has waited his turn, the guy who ran once before. this is the party after all, that had a bush or a dole on its ticket for about 20 years. it s also the party that nominated richard nixon on its presidential ticket five times. republicans don t like surprises. there is something surprise about this primary. it s the charges that are working against romney. see, romney s opponents have tried to change his upward trend at two levels. first, they called him a massachusetts moderate, but is th