JUDY WOOODRUFF:

In the day's other news: The Congressional Budget Office issued its analysis of the Republican bill to replace Obamacare, a bill that passed the House of Representatives. It estimates the measure would leave 23 million more Americans without health insurance by 2026. Now, that is one million fewer than an earlier version. The report also projects deficit reduction of $119 billion over 10 years. That is slightly less than before.

We will take a closer look later in the program.

Word has leaked that President Trump disclosed that the U.S. had positioned two nuclear submarines off North Korea. The New York Times is reporting that Mr. Trump revealed the information in an April 29 phone call with Philippines President Rodrigo Duterte. According to confidential transcripts, he also praised Duterte for doing — quote — "an unbelievable job" fighting drugs. Thousands of drug suspects have been killed since Duterte took office.

Fighting raged for a second day in the Southern Philippines, where Islamist militants have seized control of a city. At least 21 people have been killed. The fighting broke out yesterday in Marawi City, on the island of Mindanao. President Duterte responded by imposing martial law.

Thousands of residents fled the area today amid tight security, as Duterte vowed to hunt down the militants.