We have grammar, we have funny headlines, and we have ways for you to ridicule people. What more could you want? That's a rhetorical question.
A new addition to our pedantic section, if vs. whether, should answer your questions about whether (or is it "if"?) you should be using if or whether. Check out our practical explanation.
In case you couldn't tell, AskGrammaticus.com is currently under construction. We really could care less what you think about it.