David Letterman may not have a clue who he's talking to these days, but that can make for some funny exchanges, as we saw last night with Ryan Lochte.
While slightly more restrained than the Philly anchors who LOST IT after interviewing the Olympic swimmer, Dave seemed baffled by the same thing:
Why does Ryan Lochte have a reality show again?
It's a fair question, and the What Would Ryan Lochte Do? star attempts to explain it as best as you can hope from a man (and show) of such substance.
Watch a portion of their exchange below: