It’s a whole new generation for Calvin Klein Fragrances. The brand will launch a new worldwide advertising campaign for CK One—15 years after the unisex fragrance debuted—hoping to grab the attention of the younger set. In the “we are one” campaign, the television spot features a large cast of men and women of diverse ages and ethnicities singing an original song about the power of people coming together as one, says the company. It will feature the classic black-and-white imagery...