MURFREESBORO, Tenn. (WMOT)  --  You’ve no doubt heard about the tarmac confrontation yesterday between the president and the governor of Arizona. That heated exchange reportedly centering on illegal immigration.

Immigration issues have figured prominently as well in the Republican presidential primary.

But Dr. Andrei Korobkov, a professor of political science at Middle Tennessee State University, says the current national debate ignores immigration realities on the ground.