With pressure building on the White House to slow or completely halt the withdrawal of American troops from Afghanistan, senior officials said that President Obama appears increasingly willing to keep a force there large enough to carry on the hunt for Al Qaeda and Islamic State militants.

For President Obama, leaving more than a small force to protect the embassy in Kabul beyond next year would mean abandoning his goal to bring home almost all American troops before leaving office. But even though Mr. Obama has declared the American war in Afghanistan to be over, the Taliban’s recent advances have convinced the Pentagon, many in Congress and much of the national security establishment in Washington that it is critical for American troops to remain there.

Read the article “Officials: Obama is Rethinking Afghanistan Pullout” on nytimes.com.