This one had me stuck for hours earlier this week, and judging by the number of posts on forums plenty of other people are suffering the same, so I hope this little titbit saves someone the frustration I suffered. I am using Visual Studio 2008 to create a Silverlight 2.0 (beta 2 at the moment) application. In my solution I have two web site projects, one for hosting the application, the other to host WCF services.  All I want is to hit F5 and have both sites run in debug mode and my SL app call my WCF services and work.  So I...