WASHINGTON — It's a truism that American presidents change in office. The youthful Barack Obama grew gray. Put another way, the office changes presidents. Stepping off the train from Illinois, Abraham ...

The US Constitution says any natural-born citizen over 35 who has lived in the country for at least 14 years can run for President. But in reality, leading the world’s most powerful nation, managing a ...

The Russian and American presidents are poised to meet in Alaska on Friday. Vladimir Putin is no stranger to superpower summits. Over the decades, as president or prime minister, he's held high-stakes ...