Bears GM Ryan Poles is absorbing the predictable social media/fan beating for not drafting an edge rusher or a single defensive lineman until South African native Jordan van den Berg in Round 6. There was sound logic behind some of what they did, but that doesn't provide a pass rush.  The key point in this draft when their hopes for an edge fell apart was Round 2, when they balked at moving up. "When we made that turn into (round) two, we had a good sense through our research that that was going to be a hot spot at the very top of two," Poles said. "It wasn't really possible to get up that high without giving up a ton and at the end of the day, we would just follow the board.”  When they went through each round and couldn't come up with a single defensive end because the board didn't match up, you'd have to say Poles should avoid going to Las Vegas or a riverboat casino at all costs. What are the odds? Some defensive end had to pop up somewhere to take.…