The University of Denver will host the first presidential debate on Wednesday. President Barack Obama and Republican presidential candidate Mitt Romney will discuss domestic policy in the debate moderated by Jim Lehrer, executive editor of "NewsHour" on PBS. While tickets are not available to the general public, DU students can enter a lottery today for debate tickets. The debate will be held at 7 p.m. on Wed. at Magness Arena at 2240 E. Buchtel Blvd. Due to the heavy security, roads will be closed around the DU campus.