If you spend your life hugging trees, but you think carbon dioxide is destroying the world, you might be a liberal.
If you froth at the mouth anytime some questions Darwinian evolution, AND you froth at the mouth if a species is listed as “endangered”, you might be a liberal.
If you think that medical care is too expensive and hard-to-access, but you think the answer is to force everyone to buy insurance policies, you might be a liberal.
If you think that measles outbreaks are caused by parents not injecting their children with measles, you might be a liberal.