Chicago fast-casual chain Protein Bar is cashing in in on America's protein obsession. Crain's restaurants reporter Ally Marotti talks with host Amy Guth about the chain’s growth strategy and diner demands.

Plus: Allstate profit more than triples in the third quarter, World Business Chicago reboots economic development strategy, Johnson defends budget plan despite warning of credit downgrade and electrical equipment maker lays off 185 in shift from Illinois to Indiana.

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