McCain to challenge Obama foreign policy in new Senate race . Arizona governor views US foreign policy as immoral . McCain 's intervention was a reminder that for all his talk of history ultimately only crediting winners , he may be remembered as much for how he fought for his beliefs as what he achieved . Latest twist in a career of politics . McCain has chance to reshape his campaign in fall of 2008 .
McCain to challenge Obama foreign policy in new Senate race . Arizona governor views US foreign policy as immoral . Latest twist in a career of politics . McCain has chance to reshape his campaign in fall of 2008 .