15.Moreover, sanctions have sent Rosneft's non-Russian board members and senior executives scurrying for safety, leaving a dearth of expertise in their absence.
18.I probably don't need to tell you that Libya is a pretty dry place, but you've really got to understand the sheer dearth of this country's water supply.
20.In many respects, the dearth of moral purpose frames not only the fact of such widespread phone hacking but the terms on which the trial took place.