joining me now the ceo who steer ed carnival cruise line through the pandemic, carnival corp.ping down to serve as vice chair. you couldn't step down before the pandemic so you'd avoid all these headaches, arnold? >> good afternoon, liz, always good to be with you. some people thought it was a good idea but i was glad i was with my team to navigate through it. liz: indeed, look at the shares today, the cdc's move obviously is great for the stock, but is it good for passengers and in turn, your revenue? i mean what kind of plan do you have in place to keep cases from blossoming on your ships and by the same token, have you seen any kind of move in the bookings >> well, you know, liz, we have almost 90% of our fleet sailing again. our carnival brand, for example, here in the u.s. is sailing as we said in the last business update with occupancy of 110% throughout this pandemic, cruise has demonstrated that we actually have lower incidents of cases on ships than there are on land and that's because of the extensive protocol we have but we've had protocols in cases of other viruses