honest answers or more manipulation? the aggravation phase of her trial begins less than four hours from now. keep it here for continuing coverage and analysis of the jodi arias case. jenna: back to that story, of course. but also "happening now," the immigration reform bill facing its first congressional test. the senate judiciary committee is considering proposed changes to that 834-page legislation with some 300 amendments pending. so lawmakers could be at this for a while, and this is as the cost of passing so of called immigration reform is drawing more scrutiny this week. this after the conservative heritage foundation released a report that says the measure will cost american taxpayers trillions and trillions of dollars. however, each some fellow -- even some fellow conservatives and tax hawks are having trouble with that very report saying that the numbers are wrong. so who's right? how much is this going to cost us? our william la jeunesse has been crunching the numbers, and he joins us live from los angeles. william? >> reporter: well, jenna,