Britain posts first July budget surplus in 15 years, outlook darker

By Andy Bruce and Paul SandleLONDON (Reuters) - Britain unexpectedly posted its first budget surplus for any July since 2002 according to official data on Tuesday, welcome news for finance minister Philip Hammond in what still looks likely to be a difficult financial year for the government.The surplus in July stood at 184 million pounds, compared with last year's 308 million pound deficit, the Office for National Statistics said, citing figures that exclude state-controlled banks.Total borrowin