Shep Smith's on-air response to an email flame broke several rules for fighting effectively on the internet: Don't give attention to a troll; don't let your opponent know when he's gotten under your skin; don't defend when you could be attacking. As such, the Fox News host's mounting rage against his small-fry critic doesn't deliver the same satisfaction as his other recent smackdowns. An especially ill-advised tactic: Trying to convince emailer "Mr. Fuentes" with an argument about the plight of Smith's "lawn-care maintenance guy." Since, you know, Señor Fuentes will surely understand an economic argument if it's translated into gardening terms. Click the video icon to watch. [via Johnny Dollar]