What are some good topics for a persuasive speech?

Here are some good topics I can suggest: · What are the pros and cons of stem cell research? · Do Video Games and movies promote violence? · Should euthanasia (mercy killing) be legal? · How strong is the correlation between fast food and obesity? · Does cosmetic surgery send a negative message about image to children?
anything that is your opinion

abortion?

amputation as judicial system in Africa and Asian countries?

gays?

why your little sister should help clean the house

why people should free write

anything