Views: CCK Location will not display Block View unless there is a Street address.

I didn't see another issue similar to this one in the cue, but if there is then please excuse me.

I am creating a Block View which displays other nodes of the same content type. In this case, they are Venues with a CCK Location.

Venue (node) with CCK Location:

Required: Country, City
Optional: Street Address

I have created a Block View for Venues to display other venues using the following configuration:

Relationships:
Content: Location (required)

Arguments:

(Location) Country
(Location) City

(it retrieves the Country and City from the URL)

Now when I view a Venue (node) that displays the Block View, it will only display the other venue nodes which have a Street address and not those with just a Country and City. As soon as I enter a Street Address for one of the non-displaying venues, it then appears in the Block View.

It seems that unless the CCK Location has a Street address, it will not appear in the output of the Block View. Is there a threshold for what is considered a valid "Location" (ie. at least a street address) ?

Has anyone else experienced this?