"I work directly for the boss," Manafort said Friday morning. "I listen to everybody, but I have one man whose voice is louder than everybody else's."
Manafort predicts Trump will have clinched the Republican nomination before the convention.
"The reality is, Ted Cruz has seen his best day. The reality is, this convention process will be over with sometime in June, probably June 7th," Manafort said on CNN.