Nearly everyone expects this to be a difficult holiday selling season, but that’s not stopping Sean “Diddy” Combs and Estée Lauder from roling out I Am King, the newest scent from Combs, who also markets a line of clothing under his Sean John brand. The fragrance will be carried exclusively at Macy’s in December, before rolling out to full distribution of 2,200 stores and sources say the scent could pull in $100 million globally in its first year…although that seems ha...