The U.S. strikes in Iran have ignite a heated constitutional debate over separation of powers — and what authorities Trump has to act without congressional approval....

Founding-era documents are touring the U.S. on the National Archives’ “Freedom Plane," giving Americans a chance to see rare historic records tied to the nation’s founding....

King Charles III plans to address "increasing pressures of conflict" in his Commonwealth Day speech amid President Trump's criticism of Britain over Iran....