tom: very good, virginie maisonneuve with us on france.morrow with a wonderful set of guests. we are thrilled to bring you a set of mayors as they will be meeting to discuss local efficiencies, including the mayor of rio de janeiro, scared -- scheduled also, jeffrey sachs. we're thrilled he will talk to us about the economics, the cost and benefit analysis of trying to get to less global warning. we will be in paris tomorrow. right now from london, this is "bloomberg surveillance." ♪ caroline: welcome back, this is "bloomberg surveillance." u.s.,reaking across coming off of yesterday's selloff. getting over what janet yellen said toward rate hikes for the future. first, let's get on to our bloomberg business flash. >> an hour from now, the european central bank is scheduled to announce his decision on interest rates. surely afterward, mario draghi is expected to unveil more steps to boost the economy. investors think they will cut by 10 basis points. deutsche bank is among the leading skeptics about the pound sterling. protecting it will f