Also today at 10: Supreme Court rulingshttps://twitter.com/foxsports/status/1007208529130807297 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Well we won’t know the answer to 5) immediately as Iceland doesn’t play today! 
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.