U.S. Says It Has 11,000 Troops in Afghanistan, More Than Formerly Disclosed

The Defense Department had for years publicly disclosed only the number of troops taking part in the NATO-led mission in Afghanistan, not counterterrorism forces there.

Trump Speech in Missouri Expected to Lay Groundwork for Tax Overhaul

In a speech on Wednesday in Springfield, Mo., President Trump is expected to lay out the case for cutting taxes for businesses and individuals and for simplifying the tax code.

Mattis Says Panel Will Study Trump’s Transgender Military Ban

On Tuesday, Defense Secretary Jim Mattis said that he was establishing a panel of experts to “provide advice and recommendations on the implementation of the president’s direction.”

Trump Republicans Invigorate, and Complicate, Party’s Fight for Senate

The entry of a pro-Trump congressman into the Pennsylvania Senate race signaled that the president’s wing of the G.O.P. could dominate in 2018.