A delegation of consultants and assistants of members of the US Congress, headed by Joshua Salpeter, chief of staff, paid a visit to the headquarters of King Abdulaziz Center for National Dialogue (KACND) in Riyadh on Sunday. Faisal Bin Abdurahman Bin Muammar, secretary general of the center, Fahd Bin Sultan Al-Sultan, deputy secretary general, and other senior officials received them. The delegation consists of 16 officials representing various legislative committees of the US Congress.