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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><div><div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have long known the extended metropolis areas have grown dependent on brittle subsystems, such as mass transit in New York and Chicago. OK so we saw that system shattered. We recognize there are no good solutions to it: the city grew up on mass transit and needs it, even after it is clear that these systems make social distancing is impossible for the passengers. There’s no clear way to break the habit.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The current emergency has pointed out other weak spots, such as nursing homes. I am now thinking we have other brittle systems we don’t even know about yet. Any ideas what will be the next one to be revealed?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>spike<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>