Bolton sidelined from Afghanistan policy as his standing with Trump falters

As the president’s top aides prepared for a high-stakes meeting on the future of Afghanistan earlier this month, one senior official was not on the original invite list: national security adviser John Bolton.

The attendance of the top security aide would normally be critical, but the omission was no mistake, senior U.S. officials said. Bolton, who has long advocated an expansive military presence around the world, has become a staunch internal foe of an emerging peace deal aimed at ending America’s longest war, the officials said.

His opposition to the...