Upfront

This week's UpFront features Nobel Peace Prize laureate Tawakkol Karman discussing who she holds most responsible for the war in Yemen and her message for U.S. President Donald Trump.

In the Arena segment, we debate whether the Brexit referendum was a mistake.

In this week's "Upfront" Chief Executive of Afghanistan Abdullah Abdullah talks about peace talks with the Taliban and the challenges facing his government, which controls barely 55 percent of its own districts.

And in the Arena segment, we debate whether the United States's so-called "war on drugs" has been a failure.

A look at the #MeToo campaign, which has been criticised for excluding certain voices, is being received outside of the West. An UpFront special.

The planet is facing a crisis. Temperatures continue to rise, bringing extreme weather, exacerbating food shortages, and leading to the extinction of some species. Scientists have repeatedly warned that the impacts of climate change are becoming irreversible.

What will it take for politicians and the public to tackle climate change and implement policies that bring actual change? And what role does the world economic structure play in perpetuating the crisis?

Upfront challenge Harvard professor Steven Pinker about his belief that poverty and inequality are on the decline, and we debate the state of racism in the UK.

In this week's "Upfront," 2020 Trump campaign adviser Marc Porter talks about the findings of the Mueller report and whether he thinks the U.S. president obstructed justice.

Also, in a special interview, Nobel Peace laureate and Iranian dissident Shirin Ebadi explains why the government in Iran must change, and how she thinks it can be done.

UpFront interviews former war crimes prosecutor Carla del Ponte, who last year quit the United Nations Commission of Inquiry on Syria in protest, saying that justice for Syria’s victims was not possible.