emerging market for u.s. businesses and travel. he tweeted if cuba is unwilling to make a better deal for the cuban people and the u.s. as a whole, i will terminate the deal. and the public memorial for fidel castro will continue in revolution square after tens of thousands of cubans showed up yesterday to pay their respects. we have learned, it's been confirmed that the president and vice president will not be attending castro's funeral, right? >> reporter: yeah, no, you're absolutely right. and good morning to you from havana. what the white house is saying is they're not sure if anyone, any delegation from the u.s. will be a part of this. what they've told reporters asking that question is stand by and wait and see. they've been urged by top republicans of course, not to have any delegation be a part of the memorials here in cuba. it is the fourth day of mourning