In an opening salvo to tax negotiations, Kansas Gov. Laura Kelly rolled out her latest plan Monday morning with the support of two Republicans and an independent who delivered key votes to kill the GOP-proposed flat income tax last year. Kelly’s plan, which she announced hours before the Kansas House and Senate gavel in to formally begin the 2024 legislative session, makes slight adjustments on her 2023 proposal. It includes the elimination of taxes on social security and sales tax on certain items alongside changes to income and property tax. Kelly presented her plan for tax cuts, which would…