"Nurses kept coming by to see him because usually people don't live through his specific type of break. He had to have a halo ...

Special report: Sivi fled war-torn Sudan a year ago and now lives in a tent in Lincoln Square. He hoped to find dignity but has found himself at the sharp end of an acute homelessness crisis.

You pack your bags, check your passport, snap a quick selfie with your luggage, and you're off to explore the world. Sounds simple enough, right? Yet travelers are repeatedly shocked to discover that ...