Whether it is taking off your shoes or removing your belt and walking into a scanner, it is clear that airports in the United States take security very seriously. Luggage, for instance, must be below a certain weight and carrying liquids have special regulations involved.  Here, I try to break down the rationale behind airport security. Based on a few personal incidents, here are a few guidelines that airports don’t tell you for ensuring safety: Speaking Arabic Whatever you do, don’t speak Arabic. Yeah, yeah it’s the fifth most common language in the world, but it’s only spoken by about 295,000,000 people. Maher Khalil and Anas Ayyad, who were born in Palestine, were asked to leave the plane because a passenger felt uneasy listening to them speak in Arabic. Ultimately, after questioning from the police, they were able to enter back onto the plane, but they knew not to speak…