Political consultants are pugilists, masters in the dark art of negativity. Which is why it's surprising to hear Democrats such as Steve McMahon and Republicans like Rich Galen urging their presidential candidates to be more, well, positive.
Romney and Democratic rival President Obama have led their partisan backers down a trail of lies, negativity and vacuous policies that seem certain to guarantee an angry electorate four more years of gridlock.
Obama shows no sign of easing up on negativity.
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