Source #3

 http://articles.cnn.com/2002-05-17/world/germany.animals_1_animal-rights-human-rights-lawmakers?_s=PM:WORLD

Summary: Germany was the first nation to include animal rights in its constitution, now they are finding new ways to replace animals in research.

Central Argument: Animals should have more of the same rights humans do.

Assertions: "Lawmakers said the government will also look at targeting more research funding to projects that seek alternatives to using animals for conducting experiments."
" Germany has become the first European nation to vote to guarantee animal rights in its constitution."