Republican lobbyist Bruce Mehlman warned clients in a presentation this week (entitled “The Chaos Continues”) that the lame-duck session between the November elections and the swearing-in of the new Congress in January could be especially fraught. “We may all miss October come December,” Mehlman told me yesterday. He thinks Nov. 6 is “merely the five-mile marker in the marathon,” and that “a huge hill is approaching.” Here are four questions Mehlman outlined: