they are not saying precisely why. people have noted sunday is coming towards the end of ramadan, the holy month in the islamic calendar. but they are warning that some embassies and consulates around the world will be closed. americans traveling overseas on vacation certainly could logon, look at the embassy web page in the country they're visiting and find out the status of the embassy this sunday. brooke? >> again, we don't really know -- it begins sunday, august 4th. we don't know specifics as far as embassies. do we know certain parts of the world or we don't even know that? >> i've got to tell you, they're not saying. again, looking at the web page of whatever embassy might interest you, usually they do post when they're going to be closed for the day. and that'll be something for traveling americans to look for. >> barbara starr, thank you very much. coming up, a day of emotion, anger, tears in this cleveland