travel

Cool! The Supreme Court on Tuesday upheld President Trump’s controversial travel ban affecting several mostly Muslim countries, offering a limited endorsement of the president’s executive authority in one of the hardest-fought battles of this term. The 5-4 ruling marks the first major...

http://video.google.com/videoplay?docid=8242243689164201392# Is time travel ethical? Apparently they're building a time machine, so it would seem this is a relevant question.