http://www.c-spanclassroom.org/Lesson/659/Featured+Lesson+Idea+Primaries+and+Caucuses.aspx
http://www.c-spanclassroom.org/Lesson/658/Featured+Lesson+Idea+Road+to+the+White+House.aspx
http://www.c-spanclassroom.org/Lesson/657/Featured+Lesson+Idea+Presidential+Candidate+Research.aspx