In her first public remarks since taking over Boeing's defense business, Leanne Caret said her top priority is the KC-46 tanker program. Speaking at Boeing's 2016 investor conference on Wednesday, Caret acknowledged the "cyclical nature of our defense business." According to the company, Boeing defense unit's backlog was $62 billion in 2000 and $58 billion in 2015. However, in the meantime, Caret said Boeing has been able to diversify its business mix and geographic mix. "We have made great strides...