0Mitt Romney’s 'Top 10' FailAnd the No. 1 reason politicians shouldn’t tell jokes: Mitt Romney on Monday’s ‘Late Show.’ The GOP candidate tried to loosen up during the 'Top 10' list, but fell flat with his buttoned-up delivery. Updated Apr. 24, 2017 12:44PM EDT / Published Dec. 20, 2011 8:34AM EST CBS