Kansas Gov. Laura Kelly on Friday bemoaned the polarization that she says has fundamentally upended the state’s politics since she first entered elected office nearly 20 years ago as a state senator. A Democratic chief executive in a state with a Republican-controlled Legislature, partisan division has blocked the second-term governor from achieving some of her key policy goals, most prominently expanding Medicaid. Kelly aired her frustrations while delivering the Landon Lecture at Kansas State University – a prominent lecture series that has hosted presidents, U.S. Supreme Court justices and …