From the University of Wisconsin IT Regulations...

Did Prof. Cronon violate this rule?

Persons may not use University IT resources to sell or solicit sales for any goods, services or contributions unless such use conforms to UW-Madison rules and regulations governing the use of University resources. University employees may not use these resources to support the nomination of any person for political office or to influence a vote in any election or referendum. No one may use University IT resources to represent the interests of any non-University group or organization unless authorized by an appropriate University department.

(Source:Nicole Stockdale, Dallas Morning News) From the same source, a useful link to Wisconsin's Open Records Law:http://nxt.legis.state.wi.us/nxt/gateway.dll/Statutes%20Related/Wisconsin%20Statutes/840/857?f=templates$fn=document-frame.htm$3.0$q=[field%20folio-destination-name%3A%2719.31%27]$uq=$x=Advanced$up=1#LPHit1.