...<SafeControl Assembly="USA.WebParts.Log, Version=1.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c"
Namespace="USA.WebParts.Log" TypeName="*" Safe="True" />
plus I changed the trust level to "Full"
This what currently resides in my dwp:
<Assembly>USA.WebParts.Log, Version=1.0.0.0...