hasn't found it. now, here's the rub -- one of the justices who has been most receptive to these claims is justice kennedy. and one big question is, is he going to retire at the end oh of this term? if he does, and if donald trump nominates and the senate confirms his replacement, i think for at least the next several years, it's going to be very difficult to succeed on one of these claims. and that's why the challengers were hope thing would be the year magic for them. >> briefly, the calendar tells us we're coming to the end of a session. the big cases to be heard, the muslim ban we've been waiting for. >> reporter: the police need a search warrant to track you, do you have to pay sales taxes on what you buy on the internet those wiare some of the big cas that we'll be back for.