Joe Biden’s acceptance speech at the virtual Democratic national convention made one reference to “middle class” and one to “working families”. It never mentioned the word “poverty”. Although Democrats put on a formidable show of unity, there are still refuseniks on the left who see little distinction between Biden and Donald Trump or the parties they lead. Some will gather at 4pm on Sunday for a virtual convention of their own. More than 12,000 people have signed up to attend the People’s Convention, streamed live on social media and featuring the Hollywood actors and activist Danny Glover and the former...