The US knew that not hitting Iran before Israel's strike would lead to higher American casualties, said Secretary of State Marco Rubio.  WASHINGTON: The United States attacked Iran only after learning that ally Israel was going to strike and fearing Tehran would retaliate against US forces, Secretary of State Marco Rubio said on Monday (Mar 2). "We knew that there was going to be an Israeli action. We knew that that would precipitate an attack against American forces, and we knew that if we