This week, Gastro Obscura is looking at wondrous wintertime cocktails. Yesterday’s recipe was Moose Milk, the sweet, potent eggnog of the Canadian military. In addition to being an accomplished poet, playwright, and royal spy for King Charles II, Aphra Behn threw a hell of a party. A cultural maverick in 17th-century England, Behn didn’t care much for the norms imposed on the women of her day. She was married just long enough to snatch her husband’s last name and relied on her blistering wit for financial independence, writing plays every…