The Biden administration has begun to communicate with Iran over <a href="https://www.cnn.com/2021/02/02/politics/blinken-hostage-detainee-families-call/index.html" target="_blank">American hostages in the region,</a> national security adviser Jake Sullivan said Sunday, calling the issue a "significant priority" for the White House.

"We intend to very directly communicate with the Iranians about the complete and utter outrage