It's likely a teaser for his new book - don't have access to the whole article, but see: https://www.npr.org/2019/04/19/714600205/einsteins-unfinished-revoluti

It's likely a teaser for his new book - don't have access to the whole article, but see: https://www.npr.org/2019/04/19/714600205/einsteins-unfinished-revolution-looks-at-the-quantum-physics-and-reality-problem https://www.npr.org/2019/04/19/714600205/einsteins-unfinishe... as an alternative.