A year and a half after General Electric made the decision to move to Boston, Jeff Immelt has announced that he is stepping down as the company's CEO.
 
John Flannery, a GE employee of three decades, will take over.
 
Shirley Leung is a business columnist for the Boston Globe and a WGBH News contributor. She spoke with WGBH's All Things Considered host Barbara Howard about the leadership shake-up at GE.