Presenting what the Illinois Appellate Court called “an intensely case-specific inquiry” about “the intersection of law and equity, and whether a legal remedy was adequate,” Donald P. Horwitz sued the law firm of Sonnenschein, Nath & Rosenthal for rescission his “special partnership agreement” (Count 1) and compensation for alleged breach of the contract (Count 2).Although a Chancery Division judge ruled against Horwitz on the rescission claim (based on his alleged delay in suing …