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Good morning.

Here’s what you need to know:

• Plenty to talk about.

World leaders gather in New York this week for the U.N. General Assembly, and one of President Trump’s main tasks will be to define how his America First approach can coexist with the world-first mission of the organization.

The week will also test the influence of Nikki Haley, the American ambassador to the U.N.

Among the pressing policy issues: the situation in Myanmar, including concerns about terrorist groups exploiting Rohingya refugees, and North Korea’s nuclear program. Here’s what else we’ll be watching.