Denzel does have a habit of delivering more than $20 million in box office receipts whenever one of his movies opens. The latest release, " 2 Guns ", is no exception, having logged $27.4 million this past weekend. That's certainly not as stellar as, say, " Safe House " ($40.2 million) or "T he Book of Eli " ($32.8 million) but it's better than " The Taking of Pelham 1 2 3 " ($23.4 million). Even the Oscar-bait movie " Flight " has made money, and that's saying something for a movie where all the action comes in the first 15 minutes. In historical context, it's clear that " 2 Guns " didn’t, um, blow the box office away, but Washington still seems to be having a better summer than many. (Right, Ryan Reynolds ?) Sure, Johnny Depp's " Lone Ranger " brought in roughly the same amount in its opening weekend earlier this season — but that flick was a $250 million production. As opposed to, you know, &