By Parisa Hafezi and Arshad Mohammed DUBAI/WASHINGTON (Reuters) -The European Union on Monday said it put forward a “final” text to revive the 2015 Iran nuclear deal as four days of indirect talks between U.S. and Iranian officials wrapped up in Vienna. “What can be negotiated has been negotiated, and it’s now in a final text. However, behind every technical issue and every paragraph lies a political decision that needs to be taken in the capitals,” EU foreign policy chief Josep Borrell tweeted. “If these answers are positive, then we can sign this deal,” he added as EU, Iranian and U.S. prepa…