Welcome to our new and improved comments, which are for subscribers only.
This is a test to see whether we can improve the experience for you.
You do not need a Facebook profile to participate.
You will need to register before adding a comment.
Typed comments will be lost if you are not logged in.
Please be polite.
It's OK to disagree with someone's ideas, but personal attacks, insults, threats, hate speech, advocating violence and other violations can result in a ban.
If you see comments in violation of our community guidelines, please report them.
Live video: GM's Mary Barra at Detroit Econ Club
The Detroit News
Published 12:27 p.m. ET Oct. 28, 2014
Join the Conversation
To find out more about Facebook commenting please read the Conversation Guidelines and FAQs
Comments