Here is an interesting online discussion of some of the challenges and solutions that a group of  professors shared. Note that the date is 1997, so texting, etc. is not discussed. It is surprising, though, that the scenarios they discuss sound familiar to 2010:

http://userpages.umbc.edu/~korenman/wmst/disruptive_students1.html

There is a link to a continuation of this dialog at the top of the page.

Note: Please check with your dean if you have doubts about using any of the suggested interventions – we will cover a lot of this territory on September 1 Professional Day!