 Complete the following phrase:  Al-Rikabi supported the Nasserist factionsupporters of Gamal Abdel Nasserin a power struggle within the Baath Party in the late 1950s against the Aflaqites, supporters of Michel Aflaq. He agreed with Abdullah Rimawis observation that the National Command, the ruling organ of the Baath Party, had deviated from Baathist thought. Al-Rikabi tried but failed to get the Iraqi Regional Branch of the Baath Party to break away from the National Command, and on 15 June 1961 he was expelled from the party. From then on al-Rikabi was a prominent Nasserite, active first in Rimawis Revolutionary Baath Command and then in Arifs Arab Socialist Union. Following the Baath Partys seizure of power in the 