If Tom Harkin is sure….
"[Lieberman] still wants to be a part of the Democratic Party although he is a registered independent," Harkin said. "He wants to caucus with us and, of course, he enjoys his chairmanship of the [Homeland Security] committee because of the indulgence of the Democratic Caucus. So, I'm sure all of those things will cross his mind before the final vote."...I'm, well, encouraged.
Hat tip to Josh Marshall.