If it's Tuesday, President Trump delivers a long, wide-ranging speech at the United Nations,

criticizing the body for failing to act as wars escalate in Gaza and Ukraine, along with many

familiar lines on climate and immigration, while insisting only he can solve global crises.

Plus, a disturbing scene in a Florida courtroom.

The man convicted of trying to assassinate President Trump

on a golf course last year was found guilty on all five counts,

then tried to stab himself with a pen as the verdict was read.

And the public health and political fallout

from the president's announcement on a seatamidifin use during pregnancy.

We will dissect what the science really says about autism spectrum disorder

and claims about one of the world's most widely used over-the-counter medications.

Music Hi there. Welcome to Meet the Press Now. I'm Ryan Nobles in Washington, and we're going to begin at the United Nations, where President Trump addressed the annual gathering of world leaders, touting his administration's accomplishments in what he called the, quote, golden age of America while laying out a list of grievances

about the UN and many traditional U.S. allies, including the handling of foreign wars,

immigration, and climate change. Today was President Trump's first time addressing the UN General

Assembly since returning

to the White House, and a speech that lasted nearly an hour, the president started by questioning

the mission of the UN. I ended seven wars, and in all cases, they were raging with countless

thousands of people being killed.

What is the purpose of the United Nations?

The UN has such tremendous potential.

I've always said it.

It has such tremendous, tremendous potential.

...