NASCAR's Trevor Bayne says he has multiple sclerosisCopyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.SI Staff|NASCAR's Trevor Bayne says he has multiple sclerosisShare on FacebookShare on XAdd us on Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.Published Nov 12, 2013SI STAFFShare on FacebookShare on XHome/Racing