President Donald Trump waved and pointed to the crowd as he exited the stage following his remarks at the Iowa State Fairgrounds July 3, 2025 at an event kicking off a yearlong celebration leading up to America’s 250th anniversary. (Photo by Robin Opsahl/Iowa Capital Dispatch)

WASHINGTON — 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.

The practice, referred to as “blue slips,” has irked Trump, who has had some of his picks for the federal bench opposed by Democratic senators.

Trump posted on social media over the weekend that he wanted GOP Senate

See Full Page