By Luisa Frey ♦ Instead of euphoria, relief swept through Tehran after the reach of a historic deal over Iran's nuclear programme. Although the agreement is an interim one, Iran now hopes for an end to its isolation and the revival of its economy. But the FT's David Gardner comments that sceptics will want proof Iran is becoming 'a player for peace' – “given Tehran's record, it could hardly be otherwise". Read more | 
