Democratic presidential candidate Amy Klobuchar of Minnesota has landed the endorsement of two Eastern Iowa legislators.State Sen. Liz Mathis, D-Hiawatha, and Rep. Andy McKean, D-Anamosa, have endorsed the U.S. senator’s bid for the 2020 Democratic presidential nomination.Mathis’ endorsement is Klobuchar’s first from a sitting member of the Iowa Senate. With the addition of her endorsement and McKean’s, she now has the backing of 13 current and former members of the Legislature.