Oh sure. As somebody else posted, WD40 works great. I use it all the time to remove price tags and other glued on stuff.
My mother scrubbed me with an old rag and gasoline for an hour getting all the tar off. Do you know what scrubbing on skin for an hour with an old rag and gasoline feels like?????! Yikes. Learned my lesson.
http://www.freerepublic.com/focus/f-news/1870788/posts?page=22#22