lieberman. >> reporter: this has been the spot for 50 years. this is the most beautiful city in the world, our city. for me, these old stairs are better than all of the stairs in the world. he sells fresh juice on the most contested area, perhaps even in the world. here the light rail line at this point very nearly follows the green line. for decades this has been a line between largely palestinian east jerusalem and largely israeli west jerusalem. if president-elect donald trump follows through on his campaign promise follows through to recognize an undivided line, this may be more than a light rail line. after the world recognized the state of israel in 1948, it left the final status of jerusalem open to future debates.