A group interested in shaping Sacramento's architectural future had quite a challenge Wednesday night: discussing how to design urban infill in a city whose buildings are viewed as largely mediocre. Figuring out where to go from here is the whole point of the Design Dialogues, sponsored monthly by the Urban Design Alliance and the Sacramento chapter of the American Institute of Architects (AIA). On Wednesday, 40 design and planning professionals, community residents and others met at the AIA offices to discuss how to move the city's structural landscape forward despite the architectural challenges of designing infill projects. The 90-minute dialogue was a give-and-take between participa