Orengo has reached the apex of his political career and he knows it. So he has no further need for Raila to survive. He can exercise his independence now. Remember Orengo was previously in conflict with Raila from the time Jaramogi died and Orengo took up Jaramogi’s mantle (it is said he was Jaramogi’s heir). Orengo opposed Raila’s move to KANU and later ran for president . He vehemently opposed Raila joining Ruto and told him to his face