This morning marks the grand opening of Peet’s Coffee & Tea on 17th Street, downtown Washington, DC.  I’ve been excited about this addition to the city ever since I saw its sign go up on the corner.  Peet’s is locally described as the “West Coast Starbucks.”  Given that Starbucks also started on the West Coast, I think people mean Peet’s was formerly a West Coast chain while Starbucks dominated the East Coast — that is, until now. Well, I think Starbucks has some competition!  I tried a vanilla latte this…