This is one of those ads that - while being used for politics - rises above it all. Republican U.S. Sen. Marco Rubio helped this mother when her daughter was dying of breast cancer.
"Thanks to Marco, I had three more months with my daughter," she says. "Marco Rubio was there for me when I needed him most."
If nothing else, the ad is reminder that politics at its best is about helping those who feel helpless.
Here's the video: