A blogger in the Daily Kos reports that Neil deGrasse Tyson thinks people should “chill out” regarding genetically modified food. Tyson argues, as I have for years, that all our food is genetically modified, but it took on the order of 10,000 years to get where we are now.
The pseudonymous blogger, SkepticalRaptor, notes that GM foods are to many on the left as global warming is to many on the right: It is an article of faith that genetic modification is bad, and no amount of evidence can be adduced to change that opinion.
I would add, though, that there are valid reasons to oppose at least some genetic modifications, such as corn that is immune to glyphosate (Roundup) or plants laced with insecticide (Bt). Additionally, you could reasonably argue (as does SkepticalRaptor) that, whereas it may be legal to sell seeds that cannot reproduce themselves, it is certainly immoral to sell them to farmers in developing countries. Finally, I seem to recall that there have been occasional problems introducing, say, fish genes into tomatoes. None of these problems speaks against genetically modified food in general, though they surely militate in favor of considerable caution.
SkepticalRaptor concludes with the observation that Tyson is correct in following the evidence to its conclusion rather than denying the evidence in order to support a preordained conclusion. I could not agree more.