The first clue that Gwyneth Paltrow didn’t know what she was talking about on Capitol Hill recently came with the first words she spoke: "I’m here as a mother."

Apparently, the actress thinks that any mom can show up in Washington, D.C., and hold a press conference that attracts lawmakers and the media.

Memo to Paltrow: The rest of us moms don’t have that celebrity power. We haven’t won Oscar...