With First Debate This Week, We Really Are In Campaign's Final Stretch

We're nearly to the last of the many milestones that come along during presidential campaigns.

The primaries? Long over.

The conventions? All wrapped up.

Labor Day, when voters supposedly start paying attention? That was four weeks ago.

Now we turn to the debates, which begin Wednesday at 9 p.m. ET. The first setting: The University of Denver. The focus: Domestic policy. The moderator: Jim Lehrer from PBS-TV's NewsHour. The stars (just for the record, we suspect you know by now): President Obama and his Republica