martha: you got to be wearing the open microphone, right? so apparently a hot mic caught a very private conversation not meant to be heard during the g20 summit between president obama and french counterpart nicolas sarkozy, they were reportedly caught in a cannedit moment talking about benjamin netanyahu, sacozy saying he can't stand netanyahu, the president reportedly saying, quote, you're fed up but i have to deal with him every day. that's an unfortunate conversation to be caught on taivment we've not heard the tape but that is reportedly what's on it. we will get -- we will get more on that story. bill: they kept it qui phot a couple of days. usually something like that catches like a prairie fire. >> do police need a warrant for a gpd tracking device to find you or not? that's an answer that will be decided by the u.s. supreme court. shannon bream is live at the court now. what's shakeing in this case? good morning. >> reporter: good morning, -- good morning, bill.