LONDON (Reuters) - British Foreign Secretary William Hague said on Tuesday that Britain and Iran had embarked on a process that could lead to the reopening of their embassies after diplomatic relations broke down in 2011. "Both our countries will now appoint a non-resident charge d'affaires tasked with implementing the building of relations, including interim steps on the way towards (the) eventual reopening of both our embassies," Hague told parliament. ...