US President Donald Trump declined to rule out meeting with Iran's President Hassan Rouhani even as his administration piled more sanctions on Tehran.<br />''<br />''Respond to a question, Trump said that anything is possible.<br />''<br />''Meanwhile, Iran's President Hassan Rouhani had announced earlier today that Tehran was poised to take another step back from its commitments under a 2015 nuclear deal, from which the US withdrew from in May.<br />''<br />''On other hand, Brian Hook, the State Department coordinator on Iran, ruled out a French-proposed credit line that Tehran said could bring it back into full compliance with the 2015 deal curbing its nuclear program.<br />''<br />''<br />