Looking through the latest news, we can't help but notice the date October 15 being brought up repeatedly in the context of mandatory vaccinations. Italy's Green Pass is coming into force on October 15 and it's also the deadline for US Federal contract employees to get the vax, for example. But it's not just at the federal level - many states, counties, universities and employers have taken on this seemingly arbitrary date as the deadline for vaccination - the drop dead date, if you will. So...