Listen to Australian and world news and follow trending topics with SBS News Podcasts.TRANSCRIPT:US Secretary of State Marco Rubio has faced tough questioning from Democratic senators during a congressional hearing on the Trump administration's foreign policy.Maryland Senator Chris Van Hollen has accused President Donald Trump of recklessly entering the conflict with Iran and described the administration's foreign policy as a "dumpster fire".Mr Rubio was also pressed on efforts to reopen the Strait of Hormuz, and on what concessions Washington is seeking from Tehran.The secretary has said the United States wants Iran to stop threatening commercial shipping and reopen the waterway, and that Iran would not receive sanctions relief for reopening the vital shipping route for global oil supplies.RUBIO: “They will have to reopen the strait If they refuse to do so, then we have other options available to us, but we would prefer to negotiate the opening of this, which means-”MURPHY: “Tell us about the negotiations