Democratic presidential candidate Bernie Sanders got his first "endorsement" from a sitting U.S. senator -- and it's from a Republican.
Tom Cotton (R-AR) announced his tongue-in-cheek endorsement for the socialist senator from Vermont on an episode of "Arkansas Week: Special Edition."
"For many months, I've been strongly in favor of Bernie Sanders in the Democratic primary," Cotton announced.
How serious was he? You decide:
Watch the full episode here: