Taylor Swift’s Instagram endorsement of Vice President Kamala Harris on Wednesday was perhaps the least surprising thing to happen thus far in the 2024 campaign. No courage is displayed when a celebrity toes the liberal line. Unlike the handful of entertainers who express alignment with the Republican Party, Ms. Swift risks losing none of the adoring media coverage and access to establishment power centers critical to maintaining status at the top of the A-list.Siding with the Democratic Party machine is easy for someone who will never have to face the consequences. A billionaire who has twice earned the title of...