...THAT would be informative. It's not really a debate if one of the parties lies all the time.
I did a little probing on a Rightie blog, asking if people thought there should be fact-checking by moderators. It's a legitimate question for discussion, there being a slew of 'technical' problems with carrying it out. But there is also the issue with what PIA said above.
However, the response by Trump supporters is bluntly "No"... I wonder if they are actually aware that Trump lies all the time and know that fact-checking would destroy him as a candidate? If so, then why do they support him?
Might as well have a bumper sticker saying, "I'm Voting for the Compulsive Liar for President!!" Of, course, at this point they will always say that Hillary is a bigger liar, while refusing to list any of her supposed lies. If Clinton was the bigger liar, I'd think her opponents would welcome fact-checking.
