The Chicago Bears' decision to go through both free agency and the NFL Draft without adding an edge rusher continues to stand out as one of the more surprising developments of the offseason. In a recent Chicago Tribune mailbag , Brad Biggs provided insight into how things unfolded and why Chicago ultimately stayed put. According to Biggs, the free-agent market never truly presented a realistic opportunity. The few players capable of making a real impact were priced at a level the Bears weren’t willing to reach, especially with an emphasis on maintaining long-term cap flexibility. That left the draft as the most logical path to address the position. But even there, the Bears passed. Why Bears stayed patient at EDGE Chicago Bears defensive end Austin Booker. | Mark J. Rebilas-Imagn Images While this year’s draft class offered depth, it lacked elite, can’t-miss pass rushers. Biggs noted the variety available, but Chicago ultimately chose not to force the issue early.…