"What circumstantial evidence are you talking about?"
From the article.
"Think about it, people! If you knew or suspected your spouse's aircraft had just fireballed inside the Pentagon building, how would you spend the rest of the day?"
"If the CNN story about Ted Olson had been correct, and he really had called them about Barbara on September 11, then he would most surely have followed the telephone call up a few days later with a tasteful "one-on-one" television interview,"
"light 77 was travelling at extreme speed at very low level, pulling high "G' turns in the process.
Under these circumstances it would be difficult even reaching a phone, much less using it."
Need more?
Read the "article"
The entire thing is unsupported but by circumstantial "evidence"
sure some of it seems weird but then again you only take note of the weird stuff when something else happens.
Bob stick to the collect call thing, if it is the case that it is not possible. I don't know either way.