I've argued with Libertarians as a way to try to understand them, with gun advocates to try to find a peaceful solution and with my liberal friends who often use the same flawed logic that they accuse conservatives of using.
I put what I think are the best in bold. They are in reverse chronological order, but only a few mention something topical.
The War on Science
http://winter60.blogspot.com/2017/07/fake-news.html
Critical Thinking
http://winter60.blogspot.com/2017/05/critical-thinking.html
Monsanto Documents http://winter60.blogspot.com/2017/05/unsealed-documents.html
What Liberals are missing http://winter60.blogspot.com/2017/02/what-liberals-arent-hearing-from.html
Complexities of fighting for peace http://winter60.blogspot.com/2016/11/veterans-day.html
Libertarian book review http://winter60.blogspot.com/2016/04/republican-constitution.html
Bad math about Muslims http://winter60.blogspot.com/2016/01/moderate-extremism.html
Columbus didn’t
invent slavery http://winter60.blogspot.com/2015/10/in-1493-columbus-took-everything-he.html
Wrote this one to a young person who linked to this rapper
who was saying everything needs to be torn because it’s so messed up http://winter60.blogspot.com/2015/07/why-i-think-this-world-should-end.html
I link to this one
whenever someone tries to tell me that we can’t really know anything http://winter60.blogspot.com/2015/05/out-of-philosophical-trilemma.html
Would letting
starving children die solve the hunger problem? http://winter60.blogspot.com/2015/05/shouldnt-we-just-let-them-die.html
This is my ongoing challenge, to speak to the problems and
to acknowledge the beauty and genius we meet every day http://winter60.blogspot.com/2015/03/everyday-wisdom.html
Dealing with our lack of certainty http://winter60.blogspot.com/2015/01/how-to-end-any-argument.html
Reconciling personal and social responsibility http://winter60.blogspot.com/2014/01/it-takes-two-wings-to-fly.html
A series on GMOs
(links guide you to 3 others) http://winter60.blogspot.com/2013/05/summer-series-starting-principles.html
Another GMO, how anti-GMO news uses inflammatory language (about
the so-called Monsanto Act) http://winter60.blogspot.com/2013/04/frankenfoods-are-coming-to-kill-our.html
A little more geared toward woo, but I think I made a decent
point here about how Aquinas actually forwarded the conversation, while Chopra
takes us backward http://winter60.blogspot.com/2012/06/aquinas-and-chopra.html