progress and who isn t. two other points to make. a big study out of cornell is looking at body and brain aging to be able to predict it. another big study just came out that shows that women who take estrogen replacement therapy post menopausal decrease risk of alzheimer s dramatically. we re looking deeply at alzheimer s now. how do we prevent it and treat it and the new thing today, can we diagnose it by a simple blood test before you ever get it? that s a big advance. we need a bigger study. martha: always good to see you. thank you very much. bill: the u.s. embassy breaking news, u.s. embassy in baghdad, iraq attacked for the first time since israel started the war in hamas. a rocket hit baghdad s heavily fortified green zone that houses a number of iraqi government buildings. getting from jen griffin at the pentagon. senior u.s. defense official describing seven rockets landing inside the compound causing minimal damage, no injuries. it is not clear if the u.s. inte