They all emphasized the importance of good relationships, and the need to be proactive and creative about addressing the city's deep challenges with a limited set of resources. (wrvo.org)
The Leaf, in fact, points to the many deep challenges facing all automakers as they move more aggressively into battery - electric vehicles. (greencarreports.com)
There also are competitive modes like Escalation and Execution for those who are looking for deeper challenges. (thekoalition.com)