Israel expands strikes across Iran overnight as Tehran prepares to choose a new supreme leader, with Ayatollah Khamenei’s son emerging as a possible successor.

Plus, the Trump administration’s rationale for striking Iran keeps shifting. The president now says Tehran was preparing to attack first — contradicting earlier claims the U.S. acted ahead of an Israeli strike.

And Texas kicks off the 2026 midterm season with a major Senate primary. Democrats choose a nominee while Republicans head to a runoff.

These stories and more highlight your Unbiased Updates for Wednesday, March 4, 2026.