In which Jimmy Kimmel and actor Liev Schreiber neatly sum up celebrity PSAs: paid for by "celebrities who want you to know they really care about things."











And since at the end of the day, all PSAs are the same--the sad music, the vague comments about how "together, you and I can take action"--Kimmel has Schreiber film the ultimate all-purpose PSA, so you can just fill in the cause of your choice. (For Kimmel's purposes, that's "really bad herpes.")

Watch below: