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Thirty-five percent of Americans approve of the job Congress is doing, the highest Gallup has measured since May 2009.
Congress' job approval rating has improved to 25%, the highest since early June.
Throughout the late Ross Perot's two presidential campaigns, U.S. voters had a mixed view of the business executive turned politician.
The late U.S. Sen. John McCain was one of the most popular American politicians in the past 20 years.