BY A STAFF REPORTER: U.S. President Joe Biden on Tuesday thanked the Sultan of Oman for his support for a U.N.-brokered ceasefire in Yemen and for his decision to open Oman's airspace to all civilian flights, including flights from Israel. Biden told His Excellency Haitham bin Tariq Al Said, "Oman's role in achieving the freedom of American citizens unjustly detained in Iran is welcome. '