From Katrina to Dialectics
If anyone has a spare couple of hours and wants to know what the #@!!! Marxist dialectics is, check out this superb summary by Bertell Ollman, Professor of Politics at New York University and designer of the boardgame sensation Class Struggle is the Name of the Game. Ollman might not convince you, but he is sure to change the way you think about the way you think.
If grunty agitprop is what you feel like, check out redrave's article on the socialist solution to the humanitarian crisis that Katrina has caused.