LAKE FOREST, Ill. — Rookie minicamps prove very little while providing a nice backdrop for easing new players into an organization. They do help keep the NFL brand out front for a bit after the pressure-packed overhype of predraft weeks, and the frenzy of the draft itself conclude. The Bears discovered nothing unexpected but saw evidence of plenty at the weekend's rookie minicamp when they took to the practice field and the Walter Payton Center over the weekend. As they head toward a time when they can take their full team on the field and run plays without pads at organized team activities the week of May 27 , here is what they saw or know based on two days of workouts and meetings with players. 1. The right speed for playing One major goal for them after last season was getting faster. The 40 times from pro days and the combine are one thing, but playing speed is quite another. Their own fourth-round linebacker selection from last year is proof of this.…