Sort Funny Jokes Professors who also served as government officials

In the cafeteria of a University, justin beiber and kris humphries two students being interact:

kris humphries: "I wonder if Professor of political science, teaching always sit, never

want to stand. "

justin beiber: ", kris?? just watch out for. "

kris humphries: "Yes, justin beiber knows what is not."

justin beiber: "perhaps the only, fatigue, or his feet do not stand strong."

kris humphries: "it's not that's why, since he is also an official."

justin beiber: "what to do?!!"

kris humphries: "Yes if he stands, fearing his seat was occupied by other people."

justin beiber: "???"