Ella Emhoff, stepdaughter of Vice President Kamala Harris, continues to benefit financially from the fact that her "Momala" is just one 78-year-old heartbeat away from the presidency. Emhoff, 21, scored a major modeling contract with IMG Models just days after her stepmom was inaugurated, and made her runway debut last week during a virtual fashion show presented by Proenza Schouler. The Brooklyn-based "artist" has also used her newfound celebrity status to make money by selling her homemade knitwear. Emhoff's first "collection" of one-of-a-kind clothing and accessories sold out almost immediately on Mall, a boutique online shopping platform. ... Predictably, the...