For a lot of happy tourists, the loud bangs heard inside Cancun’s airport terminal Monday morning around 11:30 a.m. sounded an awful lot like gunfire. Social media photos posted online show scared people running from the terminal, with suitcases in tow.If they have followed Mexico news of late, which is recommended if you’re planning on vacationing there any time soon, they would have already heard about the approximate 75 murders reported since the start of this year in Quintana Roo, which is the service (state) hub for Cancun and the Riviera Maya (Tulum, etc.).Last October, in fact, Tulum made the ...