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It sometimes feels as if the struggle for the Republican presidential nomination has been going on forever, but if you measure the campaign by the number of delegates chosen so far, we're only about 10 percent done.
Much has been made about how the outcome is still far from certain despite what seems like a blizzard of primaries and caucuses, but that's not unusual. Four years ago, Barack Obama and Hillary Clinton waged a struggle for the Democratic presidential nomination that didn't end until June 3.
Still, it's worth pausing at this point in the race to consider a few of the lessons we've learned so far.
Don't listen to the pundits. At the beginning of this year's campaign, many political reporters and analysts (including me) listed the leading contenders for the nomination as Mitt Romney, Tim Pawlenty, Michele Bachmann and Rick Perry. Only one of those four is still in the race. Hardly anyone predicted that Rick Santorum and Newt Gingrich would turn out to be serious contenders.
This year, the GOP establishment isn't calling the shots. In earlier elections, Republicans tended to settle early on an established candidate who had endorsements from party elders and who was considered "next in line."
That system gave us Bob Dole in 1996, George W. Bush in 2000 and John McCain in 2008. This year's establishment candidate is Romney, but he's having a notably difficult time taming the insurgent mood of most of his party's voters.
Historical "rules" are often bogus. Early this year, pundits often pointed out that no modern candidate had ever won the Republican nomination without first winning the South Carolina primary. I'm betting that Gingrich, who won South Carolina by a big margin, will not be the party's nominee, although, in view of Lesson 1 above, you should believe that forecast at your own risk.
It's worth keeping Lesson 3 in mind as we look forward to the general election too. Another "rule" is that an incumbent president has never won re-election when the unemployment rate is higher than 7.2 percent. (That was the rate when Ronald Reagan won his second term in 1984.)
In November, the unemployment rate is almost certain to be close to 8 percent, which would appear to doom President Obama. But already prognosticators are looking for an out in case the "rule" doesn't hold this year.
More important, they're saying, may be whether voters feel the economy is improving.
By that measure, Obama's chances look much better. A CBS/New York Times poll released last week found that more voters think the economy is improving than think it is worsening, a sharp reversal from the pessimism that dominated the public mood last year.
The thing about election truisms is that they hold only until they don't. After this year, South Carolina probably won't figure strongly into the common wisdom about primaries.
But you can be certain that some other piece of political wisdom will replace it, and that we'll be looking to Florida or Michigan or Ohio as the next oracle state.
More isn't necessarily better, at least when it comes to debates. Wednesday's GOP debate in Arizona was the 20th of the campaign. Never before have we seen so many debates in such a concentrated period — six in January alone.
Why so many debates? The magic of free enterprise. The cable channels — CNN, Fox News, MSNBC — have discovered that debates attract big audiences and don't cost much to stage, so they have competed all through the primary season to hold as many as they could.
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