WASHINGTON (AP) — Homeland Security Secretary Alejandro Mayorkas says people traveling for Memorial Day weekend should be patient because there will be long lines at U.S. airports. Mayorkas told ABC on Friday the Transportation Security Administration has been in a hiring surge so it can be ready for increased travel this weekend and over the summer as the nation emerges from the coronavirus pandemic. Mayorkas notes masks are still required in airports and on airplanes and probably will continue to be required until mid-September. Airline executives say domestic leisure travel is at pre-pandemic levels, and the number of people passing through U.S. airports daily is likely to top 2 million before the week is over.