Wes Fryer makes a good point here
"The following is not intended to be a political statement but rather an
example of a mashup. It is indeed a powerful example. With tools
available to students today, this type of work, although time consuming
and somewhat tedious, empowers students to tell very powerful and
important stories….for little or likely no cost…"
Carl Sagan narrates this fascinating video.
A Teacher Tube video..