$ g3 U0 S" e7 L, ^& ~# j+ gBy Janet McBride # p+ J! r( z& s6 M/ v h- U$ Z e 9 w# h# x# Z, p9 SLONDON (Reuters) - Oil rose towards $70 on Wednesday as U.S. warships put on a show of force off Iran's coast, coinciding with a United Nations agency report that said the Islamic republic had expanded its nuclear programme.0 N4 h& C% S& g+ Y/ d
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