and prime minister cameron didn't let that skwhraoeufpltd we are holding an olympic games in one of thebusiest most active bustling cities anywhere in the world. of course it is easier if you hold the games if in nowhere. >> romney says his comments have been mischaracterized in an interview with david muir he stood behind them. >> i tend to tell people what i believe. >> reporter: today romney adviser says he thinks the trip was "a great success." also today from the romney camp take a look at a new app called mitt's vp. download it and you will be the first to know who romney picks as his running may. the announcement is expected any time between now and the gop convention august 27th. we've put a link to this app on abc7news.com on our political page. there are lots of other candidate links there as well. >>> president obama has no public events scheduled for today. we've learned who will give the keynote address on opening night of the democratic national convention i am take a look in is san antonio mayor castro -- during a previous appearance on cnn, he will be the first latino to