Left and write

In a recent New York Times column entitled When Spell-Check Can’t Help by Philip Corbet, the author brings examples of egregious spelling errors in news articles.
Andrew Clark, a geneticist who works on the Y chromosome at Cornell University, said the Y’s fast turnover of DNA could effect the activity of genes throughout the genome, because just such an effect has been detected in laboratory fruit flies.
A perennial problem: make it “affect.”
As a verb, use “effect” only to mean “accomplish, bring about.” “Affect” is the verb that means “influence.” (The second use of “effect” here, as a noun, is correct.)http://topics.blogs.nytimes.com/2010/02/02/when-spell-check-cant-help-4/

I would like to add a contribution to his list.
The following is an excerpt from a JPost article entitled I'd also eliminate Chazan's column.
2. I'm sure this decision was made with a heavy heart. JPost carries many articles by writers from left and write (Chazan isn't the "only one" or "one of two" as some commentators observed.
http://cgis.jpost.com/Blogs/rosner/entry/i_d_also_stop_chazan

Of course, now that I focused on spelling mistakes, I am bound to make one in one of my following posts so I apologize in advance.