Frank Bruni: Joe Biden, Bernie Sanders and a soapy, sanitized debate

“This is an unprecedented moment in American history,” Bernie Sanders said on Sunday night. It certainly produced an unprecedented debate, the singularity of which was captured in a superficially odd but profound bit of business near the start.Both Sanders and Joe Biden volunteered proudly that they hadn’t shaken hands. Both sang the praises of soap. And both spoke of hand sanitizer as if it were holy water.The pandemic caused by the coronavirus changed and governed everything