Iran says no progress on reviving interim peace deal with US

By Parisa Hafezi and Elwely Elwelly DUBAI, Aug 12 (Reuters) - Iran and the United States remain at loggerheads over efforts to agree a permanent end to the war in the Gulf, according to a senior Iranian source who said there had been no progress in talks to revive the interim deal agreed in June and define a timeframe to implement it. The comments were a further blow to hopes of a swift resolution to the crisis, following attacks on shipping in the region on Tuesday that pushed oil prices…