[Zope] tal:condition AND

I can do: tal:condition="exists:date_edited" and I can do: tal:condition="hasThePermision" I can even do: tal:condition="date_edited | hasThePermission" but how do I do tal:condition="date_edited AND hasThePermission" Given that date_edited may not exist in the namespace, using python has it's own unique problems. The following errors if date_edited isn't found. tal:condition="python:hasThePermission and date_edited" Is there an easy way to do this test in one statement? Mark