US to fund 1 billion more Covid-19 vaccines; ex-Googlers' Arbo Works gets Sequoia funding; plus, Sri Ambati on his open-source AI movement

US President Joe Biden's administration is offering funding to drug companies including Pfizer and Moderna to expand Covid-19 vaccine capacity by a billion doses next year, Bloomberg reports. Arbo Works, a fintech company started by eight former Google executives, has found backing in Sequoia Capital India and more than 120 angel investors. Plus, Sri Ambati, an open-source AI icon, reflects on the next steps at his company H2O.ai