By Andreas Rinke, Andrea Shalal and Sarah MarshWASHINGTON/BERLIN (Reuters) -German Chancellor Friedrich Merz said he would discuss Russia's war in Ukraine, U.S. tariffs and NATO in his first meeting with U.

Mr Trump and Mr Merz, both conservatives, appeared to have a warm rapport from the start. Mr Merz started with praise, thanking Mr Trump for putting him up in the Blair House, a presidential guest dwelling across from the White House, and Mr Trump thanked him for doing so.