Could Biden Take a Dive Thursday?

  Tomorrow evening, Republican presumptive nominee and former President Donald Trump will face off against Democrat presumptive nominee and current President Joe Biden in a televised debate hosted by CNN, notably moderated by two individuals known for distinctly immoderate political positions.   The debate is widely considered as potentially decisive in shaping voter decisions just ahead of the party conventions.   It occurs to me that among the possible plans, would be one where Biden has an on-air medical event.  Here is why I think that could happen: Biden has trailed Trump all year long in the polls, and it gets worse