I haven't actually looked at why this happened, but Judith Porter was on WFAE at least an hour early last week. I say at least because I turn the radio on around 9 so it'll be on for "Wait! Wait!" at 10, and that's when Judith Porter used to come on. There would be one person before the top of the hour news, and then she would come on after the news and during breaks.
Could be they doubled the time she spends.
very good likely hood that at least some of that is voicetracked