Mara Liasson

Cuba is preparing for a new leader. Raul Castro is expected to hand over the presidency to a younger successor. Also, President Trump spoke on Wednesday about a possible meeting with Kim Jong Un.

We have the latest on President Trump's meetings with Japanese Prime Minister Shinzo Abe and plans for a summit with North Korea's Kim Jong Un.

This weekend's coalition missile strike on Syria came during a particularly difficult period for the Trump administration as the president reacted to many political scandals.

House Speaker Paul Ryan says he will not run for re-election. Also, we look at the legality of potential U.S. missile strikes on Syria and Russia's response.

We look at the implications after House Speaker Paul Ryan announced that he will not seek re-election after three years as the speaker.

President Trump Tweeted Wednesday that if Russia was prepared to shoot down any American missiles fired at Syria that "Get ready Russia, because they will be coming, nice and new and "smart!"

The White House says President Trump canceled his trip to Latin America so he could oversee the U.S. response to the suspected chemical weapons attack in Syria.

President Trump took to Twitter following a suspected chemical attack in Syria. Homeland security adviser Tom Bossert told ABC's This Week that the U.S. will not rule out a missile attack in response.

What are the political implications of the alleged chemical attack in Syria? NPR's Mara Liasson lays out the possibilies.

President Trump says he's considering sending U.S. troops to help secure the border with Mexico. He also says he's considering pulling troops out of Syria.

The idea that President Trump wants to crack down on illegal immigration is hardly a new one and now he says Democrats are to blame for the failure to reach a deal on the status of DACA recipients, but Democrats dispute that.

The U.S. expelled Russian diplomats and President Trump fired the head of the Department of Veterans Affairs.

President Trump lashed out on Twitter against Special Counsel Robert Mueller's investigation. Some Republicans reacted by defending Mueller's probe, and the White House put out a statement saying firing Mueller is not under consideration.

The firing of Andrew McCabe, the former FBI deputy director, has set off more speculation that the Mueller probe is in jeopardy.

The White House responded to questions about a slew of topics: from sanctions against Russia to reports of more impending staff shakeups.

President Trump has chosen CNBC contributor Larry Kudlow to be his top economic adviser, replacing Gary Cohn. It's the latest staff change in an administration recently roiled by them.

Voters in Pennsylvania's 18th congressional district will vote in Tuesday's special election to decide who their representative will be in the House for the rest of the year.

In the aftermath of last month's deadly school shooting in Florida, President Trump flirted with gun control measures opposed by the NRA. But in the end, his proposals are much more politically cautious.

Another official is leaving the White House. Economic adviser Gary Cohn's resignation demonstrates what a time of turnover it has been. Plus, Democrats made some gains in Tuesday's primary in Texas.

The president implored his base voters to not get "complacent" in 2018, since the party in power usually loses big league in midterms. But Trump has already proven he can defy political gravity.