We celebrate the 100th birthday of President Ronald Wilson Reagan on Sunday, February 6th. In tribute, here is Reagan at his best -- an impromptu speech at the 1976 Republican National Convention after he barely lost the nomination to President Gerald Ford. 

Notice his poise, gracious and upbeat delivery and the remarkable ability to come up with such a stirring speech on the fly. The video clip is from "The American Experience."
 
 
Economists often talk of leading and lagging economic indicators. Unemployment is a lagging indicator because it's always in the past. We get a report about "last month's" jobless picture. New home sales is a leading indicator because it indicates whether there's new buying activity afoot.

When it comes to influence, I like what Chris Brogan said in a recent post: