“As she had done when she introduced the US president in Berlin, she addressed him publicly with the informal du for the first time since the NSA controversy in 2013.” DemocracyPolicyFriendsResearchAdmirationLeadersInfluentialBondsControversiesRespec Book:Dear Barack: The Extraordinary Partnership of Barack Obama and Angela Merkel Source: Dear Barack: The Extraordinary Partnership of Barack Obama and Angela Merkel