Can Amazon save American healthcare?

Berkshire Hathaway Chairman Warren Buffett is known as a “value” investor — someone who buys into companies that are selling for less than they’re really worth. When his company provides its workers health care benefits, however, Buffett isn’t paying for value. Instead, employers such as Berkshire, which owns a diverse portfolio of financial and industrial companies, are paying ever-higher amounts for their workers’ policies and getting less coverage in return.