The building of the modern State of Israel has been based upon the notion that Jews around the world can and should immigrate to Israel. In the ever shrinking world of the 21st century, where does this leave the concept of aliyah? What makes for a successful aliyah? How has it changed in the last century? Why do some olim leave? How can we redefine a "successful aliyah"? What does it mean for global Jewry in 2015?