Ellen Degeneres interviews Sen. John McCain; he’s completely unable to give a reason why gay people should be allowed to marry other than "it’s my belief! you can’t argue with my belief! lalalalala!". (To be fair, he does support civil unions and opposes the banning of same-sex partnerships, but that’s sort of the point — he supports everything except calling it marriage, with no readily-apparent reason).
The F-Word talks about why viability shouldn’t matter. It’s argued that forcing a woman to carry an unwanted child to term is exactly like forcing someone to donate an organ against their will — no matter how worthy the recipient, the donor always has the right to refuse to use their body to support another person’s life.
Some whisky company came out with adverts promoting stone-age gender roles, and this was the response, including things like "your mom built fighter jets", "your mom played sports", and "your mom was a pilot".