TOPEKA, Kan. (AP) — Kansas conservatives are trying to overturn a state Supreme Court decision that protects abortion rights and threatens years' worth of Republican-enacted restrictions, guaranteeing an election-year fight over amending the state constitution.

A legislative study committee opened two days of hearings Tuesday on a ruling in April by the state's highest court that access to abortion is a fundamental right under the Kansas Constitution. The Republican-led committee is expected to urge the full, GOP-controlled Legislature to put a proposed constitutional change on the ballot next...