Introduction
Internal and external challenges have reshaped the transatlantic security partnership in an unprecedented way since the election of Donald Trump in 2016. He has accelerated the evolution in U.S. leadership that had begun during the presidency of Barack Obama and also questioned his country’s traditional alliances in a new way. In parallel, the United States’ European partners have launched initiatives to strengthen their defense cooperation and increased their defense budgets to gain in credibility. They have failed, however, to resolve their deep strategic and tactical divergences that prevent Europe from emerging as a united and coherent security actor. Finally, the …read more