 Summer of travel for Americans. People are even going to the desert. It's going to be very crowded. It will be a record for the U.S. and even in Europe where you have a lot of outbound Americans going to Europe. In the U.S., we're seeing a lot of beach traffic happening. And of course, Vegas, always popular. Booking.com CEO Glenn Fogle on CNBC. His company is the parent of travel sites like Priceline.com, Kayak, Cheap Flights, and more.