Presidential debates are mostly positive and emphasize policy

Democrat Barack Obama and Republican John McCain are preparing for their first presidential debate this week. William Benoit, one of the nation's leading experts on political campaigns at the University of Missouri, says presidential debates have become an important part of presidential campaigns since 1960.

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<p><a href="http://www.physorg.com/news141489416.html">Presidential debates are mostly positive and emphasize policy</a></p> <p>Democrat Barack Obama and Republican John McCain are preparing for their first presidential debate this week. William Benoit, one of the nation's leading experts on political campaigns at the University of Missouri, says presidential debates have become an important part of presidential campaigns since 1960.</p>