Trump tensions among world leaders make for G-7 minus one
The fracture lines between Trump and some of the United States' strongest allies were evident well before the gathering.
Iran
Iran's foreign policy is dominated by its contentious nuclear program and its strained relationship with the international community. The Joint Comprehensive Plan of Action (JCPOA), or Iran nuclear deal, and inspections by the IAEA are central to global concerns. While Iran insists on a peaceful program, its enrichment activities and withdrawal of cooperation with the IAEA have heightened tensions and triggered sanctions from the U.S. and E.U.
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Despite its horrific war, Syria takes helm of U.N. disarmament forum
Diplomats said Syrian President Bashar Assad's government has no credibility or moral authority to lead the U.N. forum.
Refugee crises around the world push nations' limits of capacity
Lagging financial help for displaced people has raised concerns that it could destabilize neighbors and regions.