[krb]

True, then by the author's own criteria they should add Kennedy/Johnson after Eisenhower.

[johnnycap]

Then again, you could probably look at George Bush, Sr. as Reagan's third term. I know that was the general sentiment when he was elected. That being the case, we have now had continuity since 1980.

[usapatriot28]

True, then by the author's own criteria they should add Kennedy/Johnson after Eisenhower.

In which case you'd have to Nixon/Ford as well, since they followed Johnson.