Today's updates (April 10, 2008) broke nautilus-gksu again. Re-applying
$ sudo cp /usr/lib/nautilus/extensions-1.0/libnautilus-gksu.so /usr/lib/nautilus/extensions-2.0/
resolved the problem. Not sure which upgrade was the problem - there were about 80 of them.
Today's updates (April 10, 2008) broke nautilus-gksu again. Re-applying
$ sudo cp /usr/lib/ nautilus/ extensions- 1.0/libnautilus -gksu.so /usr/lib/ nautilus/ extensions- 2.0/
resolved the problem. Not sure which upgrade was the problem - there were about 80 of them.