Tucson is nurturing long-term small

Tucson is nurturing long-term small-business success by taking deliberate, ordered steps to surround start-ups with help. According to Raiser, all community players--investors, universities and government agencies--are involved from the start.and local biotech firm SynCardia Systems' development of a next-generation artificial heart has attracted cutting-edge engineers to the city. The investment group Desert Angels is listed among the top venture capitalists nationwide by Silicon Valley Bank.