Do the CDU and CSU have a significant Eurosceptic faction (either hard or soft) which is represented at either grassroots or parliamentary level? Or is support for the European project so deeply ingrained in the Christian Democratic DNA that they are uniformly supportive? I associate the Union with people who (to me as a British Eurosceptic) seem like strong EU federalists, like Elmar Brock and Angela Merkel.
**EDIT - since people have asked for definitions, I define Euroscepticism as being significantly sceptical of, or hostile to, one, some or all of the following, in increasing degree to which these represent Euroscepticism:
Movement towards pan-European political institutions, in the form of a powerful presidency, common army or unified common fiscal policy
Closer fiscal and monetary integration
Existing fiscal and monetary integration and/or continued membership of the Euro
Continued membership of the European Union itself
In other words, a broad range of Eurosceptic beliefs that run across the spectrum covered by the ECR grouping and the ID grouping.