The Obama Presidential Center architects, taking one other stab at making the signature museum tower much less Stonehenge and extra svelte, have trimmed some corners and added extra glass close to the underside on the south wall. Still, a lot of that wall continues to be an unyielding expanse of stone. The problem, taking a while to unravel, is the best way to design an inspiring construction destined to be a Chicago landmark. The quandary is the best way to serve a windows-averse museum needing exhibit area and the parents who've to take a look at the factor from the surface in perpetuity. The revamped design of the tower and different components of the proposed