ProgressOhio - Ohio Dem unity crumbling?

There is an article today in the Akron Beacon Journal discussing the split support for Barack Obama and Hillary Clinton among some of the top Democrats in the state of Ohio. Here is a link to the article:

"Ohio.com - Campaign cracks unity of Ohio Dems"

My first question is:  is there really that much of a gulf within the Ohio Democratic Party?  If so, can it be bridged?