The Judiciary Committee chair, and his fellow Republicans, have so far brushed off pressure from the president to nix the long-standing practice.

Iowa, has previously rejected President Donald Trump’s calls to disregard the federal official confirmation tradition. The senator’s spokesperson quoted him as telling

President Donald Trump and Iowa Republican Sen. Chuck Grassley are sparring on social media over whether the Judiciary Committee chairman should abandon a century-old tradition that allows senators to block the advancement of judicial nominees who would serve in the senators’ home states.