Fairfax (United States) (AFP) – After a high-profile libel case in London, actor Johnny Depp and his ex-wife Amber Heard are headed back to court Monday, this time in the United States, for a blockbuster defamation case revolving about allegations of spousal abuse. The case pitting the 58-year-old Depp against Heard, 35, will be broadcast live. Both are expected to testify, along with actors James Franco and Paul Bettany — and billionaire Tesla and SpaceX chief Elon Musk. The case centers on a column written by Heard and printed in The Washington Post in December 2018 in which she describes h…