Here is the latest Iowa news from The Associated Press at 3:40 a.m. CST

DES MOINES, Iowa (AP) — More than 1,000 people gathered Monday night at the state Capitol for a legislative hearing about a bill that would dramatically change Iowa’s collective bargaining law. They will give their views on a 68-page bill that would remove most issues other than wages from Iowa’s collective bargain rules for public employee unions. The bill also would require unions to manually collect dues from members instead of automatic paycheck deductions.

WASHINGTON (AP) — Republican Sen. Chuck Grassley is turning to President Donald Trump’s favorite method of communication to try to get his attention. The 83-year-old Iowan is already adept at Twitter. Last weekend Grassley tried Twitter to reach Trump on the subjects of whistleblowers, declassifying information and Russian President Vladimir Putin. Grassley’s office says the senator hasn’t yet heard back from Trump.

DES MOINES, Iowa (AP) — Top administrators at Iowa State University have lost an appeal in a federal student free speech lawsuit. The 8th U.S. Circuit Court of Appeals said Monday that ISU administrators including President Steven Leath violated First Amendment rights of two students who were top officers of the ISU chapter of the National Organization for Reform of Marijuana Laws.

BISMARCK, N.D. (AP) — Cheyenne River Sioux Chairman Harold Frazier says Dakota Access pipeline opponents haven’t lost hope that they can block its final stretch of construction. The Cheyenne River and Standing Rock Sioux had asked a federal judge to temporarily stop drilling under a Missouri River reservoir in North Dakota until the tribes’ legal claims are resolved. The judge on Monday refused to immediately grant the request but said he’ll more fully consider it later.