A sculler rows down the Charles River near Harvard University, at rear, Tuesday, April 15, 2025, in Cambridge, Mass. (AP Photo/Charles Krupa, File) WASHINGTON — Harvard University is challenging the Trump administration’s decision to bar the Ivy League school from enrolling foreign students, calling it unconstitutional retaliation for defying the White House’s political demands. In a lawsuit filed Friday in federal court in Boston, Harvard said the government’s action violates the First Amendment and will have an “immediate and devastating effect for Harvard and more than 7,000 visa holders.” “With the stroke of a pen, the government has sought to...