@@ -0,0 +1,12 @@
+class RemoveThisWeekInOpenSourceContent < ActiveRecord::Migration
+  def up
+    @topic = Topic.find_by_name("this week in open source")
+    if @topic
+      @topic.articles.destroy_all
+      @topic.destroy
+    end
+  end
+
+  def down
+  end
+end
We shouldn't use models in a migration like this. If you must, then the model should be redefined in the migration to ensure that it is available to the migration.