^KM291A:  Sites.Google.com bugs with embedded Google Docs[^KM295G:  Fixes are underway, but right now: ^KM25QH: Search box in upper-right corner doesn't search iframe content (as Google Docs) which is most of the content here. ^KM2976:  embedded Google Docs are visible-to-all (unless noted) but still (needlessly) require sign-in.]
^KM2E3H: untested Sign in