The universal feel-good elixir expresses itself deliciously from culture to culture.It’s rare that a dish appears in cuisines all over the world. Chicken soup — the global feel-better elixir — is one of them. Soothing and comforting at a time when so many Americans are ailing from a pandemic or smarting from bruising political battles, it is this season’s perfect panacea. Chicken soup can celebrate what so many of us have in common: When someone sniffles, moms and grandmas (and increasingly pops and grandpas) around the globe drop chicken in water with aromatics and simmer away. At the same...