German Chancellor Angela Merkel is due to travel to Moscow Saturday for talks with Russian President Vladimir Putin. The meeting will likely focus on the Iran crisis – with both Germany and Russia calling for de-escalation between Washington and Tehran. The Ukraine conflict is also on the agenda, alongside the future of the Nord Stream 2 gas pipeline from Russia to Germany, which is facing strong opposition from the United States. Henry Ridgwell reports on what will likely be a tense meeting in Moscow 
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