Joe --
You might try the following steps:
1. Open the project in question
2. Click the Filter drop-down list on the Formatting toolbar
3. Select the Using Resource... filter
4. Select the resource in question and then click the OK button
5. Click Collaborate - Publish - Republish Assignments
6. At the top of the dialog, select the "Current view" option from the
drop-down list
7. Click OK
Hope this helps.