*Quick spins: Democratic U.S. Rep. Bill Foster's former chief of staff has announced a run for Congress against Republican Rep. Peter Roskam. Carole Cheney's name had already floated around as a potential Roskam challenger, but she formally announced her bid Tuesday. Also in the Democratic primary race: Kelly Mazeski, Amanda Howland and Suzyn Price. ... A hearing over the liquor license of River North establishment Bottled Blonde has been continued to Aug. 1. The complaint focuses on claims the bar, at 504 N. Wells St., has violated the terms of its liquor license by operating not as a restaurant but as a nightclub "where the sale of alcoholic beverages was the primary business activity."