TOPIC: State revenues and taxation, including discussion of tax credit proposals and the proposal to reform the transaction privilege tax, known popularly as the sales tax. GUESTS: House Speaker Andy Tobin, R-Paulden Sen. Steve Farley, D-Tucson Senate Majority Leader John McComish, R-Ahwatukee Rep. Debbie Lesko, R-Glendale Rep. Debbie McCune Davis, D-Phoenix Rep. Mark Cardenas, D-Phoenix Silvia Amparano, interim finance director, city of Tucson