Speaking separately Tuesday, the two men say the pregnancy of Gov. Palin’s daughter is a private matter.

Biden, during a campaign stop in Florida: “Children are off-limits.” Read more here.

On Palin in general, Biden adds: “She’s a governor, that’s no mean feat and she seems to have a strong personal story.”

Giuliani to questioner as he was exiting a delegation breakfast in St. Paul: “Frankly, you should be ashamed of yourself.” Read more here.

Plus: Us Weekly fronts the Palin controversies.

And: Levi Johnston, Bristol Palin’s boyfriend, is expected to join the Palin family at the convention.