Button Performance News Today

Control. thank you, derek. a diplomatic is carefully crafted. and often has to be decided by reading between the lines. >> carefully crafted. not so with a message from the president about north korea, he reduced the size of capability of nuclear weapons to the comparison of buttons. you get the point with this. jeanne moos explains how much size matters to mr. trump. >> reporter: and here you thought, button size only mattered in sewing. now the president is tweeting about how his nuclear but...