REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a programming language. Instead of scattering your intermediate calculations ...

Travel pros shared their favorite apps for groups to collaborate on itineraries. We took them for a test drive.

In 1782, American military troops were not being paid by the Continental Congress. The Articles of Confederation — precursor to the Constitution — allowed Congress to set up an army in time of war, ...

Debra Kahn is the editor of POLITICO's California Climate newsletter and author of Currents, a reported column on the conversations, conflicts and characters animating the energy, environment and ...