WHNO’s audience has expectations. It knows what the TV Guide in New Orleans says. And it says The John Fourcade Show airs Thursdays at 6 p.m. There’s no asterisk that says: Fourcade may be squinting because his vision is sensitive to light. If he’s slow to respond to a question, it’s because he’s probably battling a headache. Also, his back is most likely throbbing.