TAXES. PERSONAL INCOME. INITIATIVE STATUTE. Repeals specified statutes imposing tax on personal income of California and out-of-state residents. Imposes 2.5% tax on entire personal gross income of residents and specified out-of-state residents. Imposes additional 2.5% tax on gross income in excess of $52,000 for five years, and as extended, in five-year increments, by two-thirds vote of Legislature. Requires annual cost-of-living adjustment to $52,000 threshold. Provides no deductions, exemptions, exclusions be made in determining gross income, unless in connection with trade, business, or required by federal or constitutional law. Requires postcard size returns be available for defined individuals. Summary of estimate by Legislative Anal...