So let us say that McCormak and Hayden pass it up. According to this new site I found, its called Wikipedia, I think,
BOOM! How about that?
So with Johnson dead, McCormak and Hayden passing it up. Rusk resigning (without really knowing what was happening), we'd have Republican President C. Douglas Dillon!Shortly after Kennedy was assassinated, Rusk offered his resignation to the new president, Lyndon B. Johnson. However, Johnson refused Rusk's resignation and retained him as the Secretary of State throughout his administration.
BOOM! How about that?