On the cusp of Year 4 at Tennessee, head coach Josh Heupel sat down with Volquest to discuss the season ahead and how he thinks his the Vols will respond this fall. AP: Here with Tennessee head coach Josh Heupel. Coach Heupel, you roll into Year 4. A lot has changed since last year. So many changes, in the college football landscape. Your team has changed in certain ways. What do you like most about this group? Heupel: Really I said it after spring ball. Just their competitive makeup, how hard they work, how intentional they are in that work every single day. The chemistry that they have toget…