In a manner of speaking, a great myth has built up about the Bears and their defensive improvement efforts over this offseason. The theory is how they can't possibly hope to duplicate last year's efforts at taking away the football, and their defense will be much worse as a result because they haven't improved their pass rush. The reason it's said they can't duplicate last year's defensive effort is they led the NFL in takeaways with 33, and this made it possible for their defense to keep games close or the offense to get leads or even for Caleb Williams to mount comebacks in Iceman mode. While it is true no one can expect to lead the NFL in takeaways in successive years the way the Bears did, it doesn't mean they have to assume they'll be a great deal less effective at this. And there is one very good reason to assume it continues, that they could even lead again and that the defense improves overall.…