By our baptism we are called to lead.  We are called to bring the influence of Christ into our families, into our relationships, and into our world.  But in what does this leadership principally consist - especially for those of us who have been entrusted with communities, in our families, in our businesses, what are we supposed to do?  St. Thomas Aquinas offers us concise and insightful guidance in his work, De Regno, On The King, his letter to the King of Cyprus.