Baa Baa

http://www.timesonline.co.uk/article/0,,2-2073043,00.html

http://www.rhymes.org.uk/baa_baa_black_sheep.htm

You have white sheep and you have black sheep. It's a natural fact.
Nothing racist. Nothing offensive. This political correctness is
becoming a disease.

Rainbows? What have they been smoking.