In response to the OP,
NO, I have never even considered using "ignore". We all naturally want to listen to people who agree with us. Using the "ignore" removes the other side of the argument and makes for very easy Straw Man conversations with ourselves. I consider that dangerous.
Our politicians already talk past each other--pretty much like using the ignore function except more dangerous. We need dialogue--and accountability.

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1982 300SD " Wotan" ..On the road as of Jan 8, 2007 with Historic Tags