Says the entire party is "gloomy," like the Internet meme.
VP says his late son Beau would have wanted him to.
Beau Biden died last week after losing battle with brain cancer.
"[He] lived a life that was full; a life that mattered," POTUS says in the wake of VP son's death.
President Obama speaks at opening of Edward M. Kennedy Institute.
Attorney General Eric Holder talks about making history with BET.com.