Tarek’s flip side. Tarek El Moussa was cited for battery after the “Flip or Flop” alum allegedly knocked a man out in Las Vegas last week. The HGTV star and another male were involved in an altercation at the Palazzo at the Venetian Resort in Sin City on June 5, the Las Vegas Metropolitan Police Department confirmed to Page Six Tuesday. Tarek El Moussa was reportedly cited for battery after the “Flip or Flop” star allegedly knocked a man out in Las Vegas last week. Brian Zak/Page Six T...