The trick to getting this sort of free entertainment, is to listen to their statements - less for what they're saying, and more for what they are trying so very hard not to say... which is,surprise, what they want you to own up to as being discredited by what they are saying.
Let's take a recent example and see if you can spot, in this prime piece of putzery from the uber-leftist Thom Hartmann (as the failed Air America host is brought to you by RT... that'd be 'Russia Today'... Pravda... hellooo)), what he is working so hard NOT to mention... but which he really, really, wants you to think of as having been discredited by what he is saying.
See if you can spot it:
Pure Evil
"The real reason the Second Amendment was ratified, and why it says "State" instead of "Country" (the Framers knew the difference - see the 10th Amendment), was to preserve the slave patrol militias in the southern states, which was necessary to get Virginia's vote. "Did you notice what he doesn't mention?
If you listen to the whole video, you'll hear the same thing repeatedly not mentioned throughout his entire piece. Yep, that's right, he never mentions what the 2nd Amendment means.
He doesn't mention whether or not it is a valid Right, he doesn't mention whether or not it is a 'useful' Right, he certainly doesn't mention whether or not those 'slave patrol militias' would have been too