Tesla's 2020 self-driving car promise sounds too good to be true because it is

Well, probably. Even Elon Musk seems a little skeptical of his promise to get 1 million completely self-driving Tesla "robotaxis" on the road next year. The South African-born entrepreneur at Tesla's Autonomy Investor Day on Monday made a number of bold claims about what's ahead for the electric car company. Musk unveiled a new microchip that he claimed would be "objectively" the best in the world, predicted that fully autonomous Teslas capable of operating without a human driver would be on the...