Exactly, let's see some trashy humor against Sasha and Malia,
Let's break down the offensiveness of this trashy humor.
The essence of the joke is that Sarah Palin has a child with Down's Syndrome.
That's it.
Which, if Sarah Palin were keeping Trig's life completely private and we felt having a Down's Syndrome child was something to be ashamed of, and that a teenage girl on a cartoon could be confused with an infant boy with a different name, would be an invasion of privacy.
As the actress who played the role pointed out, Sarah Palin goes beyond being proud of her son to using him as a political prop and, in fact, exploiting him to get political credibility on an issue (care for special needs children) where she doesn't actually follow through. It's very similar to how she talks about her husband's union membership when talking to union members--while actually opposing union legislation. It's politics by identity and it's actually pretty damn insulting to people who are dealing with the challenge of special needs children, running out of money, running out of sanity, and facing government cutbacks of the kind Palin thinks are important. To be frank, Palin has yet to learn anything about what it's like to be the parent of a special needs child beyond the initial acceptance of a different future for her child. She certainly will learn, and she has my respect for that, but so far she seems most interested in what Trig can do for
her rather than what she will do for Trig.
You don't know why this is "trashy humor," you can't back up that Sarah Palin is a victim, when she laps up victimhood like mother's milk. If she weren't a victim, yelling it loud and clear, she wouldn't be anything at all. That's the only trashy humor here.