To jump right to the PATH question without watching the entire 80 minute interview, click on the second link for "transmission" on the third line of "chapter links" below the video (there are three "chapters" entitled "transmission," you want the second one).
Watching him squirm, smirk, and squeeze his own head while discussing how expensive transmission projects are oftentimes obsolete by the time they are under construction made me giggle.
Yes, we saved consumers a lot of financial misery by opposing this project and causing a delay that allowed the truth to manifest itself, didn't we, Mr. Wellinghoff?