In New York Times (November 1) article titled “A cup of G.I Joe,” Maureen Dowd introduces the following remarks from Howard Schultz, the C.E.O. of Starbucks about Leadership. Dowd suspects if Shultz is partly motivated by a desire to run for president.

> 
> “The government does a very good job of sending people to war,”
>  Schultz told me in New York this past week, “and a very poor job of
>  bringing them home.” 
> 
> 
> “I have an interest in trying to make a difference,” he said. “I don’t
>  know where that’s going to lead.” He believes that “the country is
>  longing for leadership and for **truth with a capital T**.” 
> 
> 
> “We’ve lost our collective and individual responsibility, and our
>  conscience, and that has to be addressed. And that is linked to a
>  dysfunctional government and a lack of authentic, truthful
>  leadership.” 
> 
> 
> <http://www.nytimes.com/2014/11/02/opinion/sunday/maureen-dowd-a-cup-of-gi-joe.html?hp&action>
> 
> 
> 

What does “truth with a capital T” mean? How different is it from truth with a lowercase t? Is this expression in fashion?