Citing the "IRS scandal"? Citing the 5-4 Scalia interpretation of the second amendment as an argument against gun registration, despite the fact that even Scalia doesn't come anywhere close to declaring a gun registry unconstitutional? And of course, the old classic: "registration leads to confiscation"!
Just about every expert on gun violence that I've read is in favor of a gun registry, at least for handguns. The reason is obvious: to reduce the diversion and trafficking of guns to criminals, and to make it easier for the police to catch perpetrators of gun crimes. You bring up Canada, which of course still maintains a registry of handguns, as does virtually every other developed nation other than the US. How is it working out? The US has a homicide rate several times higher than any other wealthy nation, despite the fact that our overall rates of violent crimes are not out of line.
As far as you being a progressive on other issues besides guns, that may or may not be true. Either way, it's odd that so many of your DU posts seem to be repeating NRA talking points verbatim. Your sense of self-importance is also a little bizarre (if I can't change your mind then the whole cause is lost).
What you are missing is that progress on gun violence in this country is not going to come by trying to reason with people who think that registration will lead to confiscation, or that car registration is different because you only need to register a car if you drive it on public roads (one of my favorites!). In fact, a comfortable majority of Americans are already in favor of gun registration, as every poll on the subject has found. The problem is political.
The people standing in the way of gun control are the same ones standing in the way of action on climate, income inequality, fighting abortion, etc. You may have noticed that the country has been sliding to the right on a lot of issues -- even Obamacare, which the GOP now hates, was actually hatched in right-wing think tanks in the 90s as a free market alternative to Clinton's health care plans.
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