public support from the leader of germany. steve handelsman is live on capitol hill with more. hi steve. >> reporter: hi doreen. republican critics are charging our commander in chief is weak and endangering the united states. but this was one of america's closest allies today backing the obama approach. president obama and german chancellor angela merkel agree on ukraine. more russian troops are reportedly crossing the boarder into that nation and arming pro-russian separatists. western sanctions have not forced vladimir putin out of ukraine. but they still might, said both leaders. >> we continue to encourage a diplomatic resolution to this issue. >> translator: i've always said i don't see a military solution to this conflict. >> reporter: but republicans who have been to the region are reing the president to send more weapons to the ukrainian army. >> how could we not allow them support to defend themselves? >> reporter: on iran and nuclear weapons there is a similar dispute. merkel and mr. obama want to give talks more time. >> it does not make sense to sour the negotiations a month or two before they're about to be completed. >> r repubn critics want tougher sanctions on iran immediately. >> a