President Muhammadu Buhari is hosting the new President of Niger Republic, Mohamed Bazoum, in the State House Abuja.   President Bazoum was accompanied to the State House by Governors of some northern states, which share boundaries with the neighbouring country.   The Governors are Abubakar Bagudu (Kebbi); Babagana Zulum (Borno); Abdulahi Ganduje (Kano); Mai Mala Buni (Yobe); Aminu Tambuwal (Sokoto); and Bello Matawalle (Zamfara).   The Minister of Defense, Major-General Bashir Salihi Magashi (Rtd); Minister of State for Petroleum Resources, Chief Timipre Sylva; the National Security Adviser NSA Major-General Babagana Monguno (Rtd); Chief of Staff to the President,