Correct, and I also am in agreement with the Admiral for once.
Saying "Well . . . " gave Reagan a split second to think, which was all he needed due to the fact that he was very consistent with his beliefs and not trying to change his stance constantly without appearing to ever change it at all.
"Mr. President, are you not concerned about women who will die in illegal abortions?"
"Well . . . there is a person whose life you are not concerned about in an abortion - the person being aborted."
Also, it is an actor's method that does two things: 1) it signals the audience to listen, so that the first part of the sentence is not lost due to a side conversation or a mental distraction and 2) it stretches out the actor's screen time in a medium in which a second counts.
The other actors complained about William Shatner speaking in choppy sentences for the same effect. "Spock. This is. A replica. Of Earth. Circa 1930.