Reluctant Trump grants sanctions relief to Iran one last time 1/13/2018 9:00:23 AM U.S. President Donald Trump addresses a joint news conference with Norwegian Prime Minister Erna Solberg WASHINGTON (Reuters) JANUARY 12, 2018  - U.S. President Donald Trump upheld U.S. participation in the Iran nuclear deal on Friday by granting Tehran relief from U.S. sanctions but aides said it would be the last time he would do so. A senior administration official said Trump wants the 2015 Iran deal strengthened with a follow-on agreement in 120 days or the United States will unilaterally withdraw from the international pact. Trump had privately chafed at having to once again waive sanctions on a country he sees as a rising threat in the Middle East. The agreement was reached during Barack Obama’s presidency. While Trump approved a sanctions waiver, the Treasury Department decided to impose new, targeted sanctions against 14 Iranian entities and individuals. The...