Sherman Pickey, the Wisconsin Avenue men’s and women’s boutique in Georgetown, is closing its doors Dec. 31, according to owner Ethan Drath. Drath told me he was unable to reach favorable terms on a lease and he is also moving full-time into a second career as a real estate agent with Washington Fine Properties LLC. “Landlords as a whole have not been completely forthcoming to work with what I’m seeing on the ground as a harsh retail climate,” Drath said. Sherman Pickey — which was…