Evolution is all, or almost all, evolution by destruction. Michael Behe gives the analogy of a bridge separating you from an invading group of enemies.
Wesley Smith commented earlier on the struggle, via litigation by the Nonhuman Rights Project (NRP), to grant human-like “rights” to an elephant in the Bronx Zoo.
“The case that human language develops step by step through natural selection is weakened by the fact that no single language gene has ever been discovered.”
Some voices, if not necessarily thoughtful or serious ones, have recognized this, while at the same time missing the point.
Anyone interested in the grim history of Social Darwinism in America, or debates over scientific racism and the sanctity of human life, will want to see this documentary.