The Washington Wizards took another step towards the Mendoza Line last night with an emphatic 120-91 win over the visiting Denver Nuggets. The Nuggets entered the Verizon Center with an impressive 12-7 record and a viable MVP candidate in Baltimore product Carmelo Anthony. They left the court looking like a team that was in the middle of a five game road trip, wondering who would be shipped out of town in a possible deal…