GM is Government Motors again

General Engines CEO Mary Barra apparently learned from rival Elon Musk of You’re here that the first key to success in the electric vehicle business is to grease the political system for government subsidies.

She appeared last Thursday at a White House event promoting the Cut Inflation Act, Senate Democrats’ tax and spending bill, even as the Business Roundtable, the big company she chairs, lobbied furiously against her. Was it a betrayal of the members of the round table?