There are two new big bottle standouts on beer shelves across D.C. this summer. The Lagunitas is a seasonal, but that doesn’t mean it’ll be the same batch this time next year. Track them down before they’re gone: Harpoon’s latest installment in their “100 Barrel Series” is the Helles Blond Bock. This rich and malty bock is smooth and creamy, like an alcoholic vanilla milkshake. Vaguely sweet with a touch of hops, a lovely…