/ f3 a2 X$ o3 X& UBy Janet McBride* N' V5 Z! |& [3 _* W4 e8 f
% Z6 M, ^7 G9 H. f2 Z& gLONDON (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. * ^/ |4 Z, z; g" c# z) D5 t, }2 g% [9 _: p C+ X1 G- {