Apparently, one reason is that many voters don't seem to mind.
The Fivethirtyeight.com blog projects that Democrat Richard Blumenthal, in a Senate race in Connecticut, will win 52.8 percent of the vote. His Republican opponent, Linda McMahon, is trailing.
Here is her campaign ad, which includes clips of Blumenthal talking about when he served in Vietnam. One small problem: As the New York Times revealed in May, Blumenthal obtained several deferments to avoid service in Vietnam but has lied about it for years, representing himself as a Vietnam veteran.
Blumenthal's spokeswoman, Mindy Myers, says the ad is a "desperate attack from a losing campaign with nothing to say."
Study hard in school, kids, and you can make a living as a flack who reads prepared statements defending lying politicians, just like Mindy Myers does.