- https://www.icloud.com/keynote/AwBUCAESEOHuMAeo-6GToflJQcT0VscaKRxG7MDuttAKupLBjyAx_klQpWTDadopwPi8v10lSodhBUH3bt3HohHdMCUCAQEEIHVo4t18XF6YSY0gOHlzM-dOegUVpZ7gSOjMFDa3YtMa#2015-09-22-DeLong-Changes-Over-10-Yrs.key
- https://readfold.com/read/delong/macro-situation-things-are-profoundly-different-today-from-what-10-years-ago-we-thought-would-be-sYt4KvKX