TOPIC: Should the Legislature or the voters decide on Gov. Jan Brewer's proposal to expand Medicaid coverage in the state? An in-depth look at the competing proposals and political conflict. GUESTS: Arizona House Speaker Andy Tobin, R-Paulden Arizona Senate President Andy Biggs, R-Gilbert Arizona Rep. T.J. Shope, R-Coolidge Arizona Rep. Lydia Hernández, D-Phoenix Arizona Rep. Rosanna Gabaldón, D-Sahuarita Arizona Rep. Paul Boyer, R-Phoenix Arizona Sen. Steve Pierce, R-Prescott Arizona Sen. Leah Landrum Taylor, D-Phoenix