As Labour Party MPs respond to their disastrous local election results, they should look across the Atlantic and reflect upon the legacy of former US president Joe Biden. His presidency was a success in domestic terms, with the United States recovering faster than any other wealthy nation from the pandemic and bequeathing an expanding economy with an impressive job-creation record. He doubled the number of Americans with access to affordable healthcare. Yet his party let him selfishly cling to power when it was obvious to voters he was no longer fit to serve. Then it was defeated by a repulsive...