The president said he blocked the bills to save taxpayers’ money. But he has grievances against a tribe in Florida and officials in Colorado.

Leonard Peltier, the American Indian Movement activist, returned to North Dakota, where, under home confinement, he will serve the remainder of his life sentence for the murders of two F.B.I. agents.

A look at the academic roots of the idea, which has stirred fierce debate when applied to Israel.

Andrea Smith, an ethnic studies professor, will leave the University of California, Riverside, in an unusual agreement that avoids an investigation.