mental health officials to discuss the role of mental illness and substance abuse in these deranged rampages. gun rights advocates say there look at a culture in all of this. jon: carl cameron from washington. carl, thank you. as we await the nomination of white house chief of staff jack lew to be the next treasury secretary the big announcement set for about two hours from now the spotlight now turning on mr. lew s signature. take a look, this is it. better get used to the loopy letters because they could show up on all of our paper money. outgoing treasury boss, jenna is cocking her head side ways to read it. jenna: i m thinking all the different ways you could counterfeit that, right? jon: doesn t really say anything. treasury secretary boss tim geithner had to improve what his signature looked like. it was kind of scrawling too. in order to fit on the money he improved it. white house press secretary jay carney was asked about