The U.S. is conducting strikes on Iranian military targets in Iraq and Syria in retaliation for the Iranian drone attack that killed three American servicemembers, as tensions continue to mount across the Middle East. But this is far from the only recent time at which a heavier conflict with Iran was a looming threat, Senate Intelligence Chairman Mark Warner (D-VA) told CNN’s Alex Marquardt on Friday. In fact, when former President Donald Trump was in office, he considered a direct attack on Iran itself, he said. “Senator Warner, thank you so much for coming in,” said Marquardrt. “We just spok…