It's usually led by a protagonist who is seeking to understand something complicated.
Major military operations are usually led by a wave of suicide truck bombs.
In a traditional workplace, teams are usually led by single leaders.
The Princeton Journeys program organizes alumni trips around the world, usually led by a Princeton faculty member.
Infantry charges are usually led by Islamic volunteers from other countries who come here to fight for the Taliban.
The farmers' protests, usually led by machete-wielding men whose faces are covered by red bandannas, have grown increasingly violent.
Not long ago, this was a group that rarely protested on its own and was usually led by men.
Public companies are usually led by professional managers, with CEOs at the top of the decision-making pyramid.
During the mornings, players sit in a circle on their stools, usually led by Mark DeRosa, talking hitting and laughing.
The Israeli delegation was usually led by a policy adviser from the Prime Minister's office, and always included one or two military-intelligence officers.
But they are rarely so sweeping, or announced so early, nor are they usually led by the low-fare carriers rather than the major carriers.
