Is Putin Going to Use Battlefield Nukes?

Curious State is CNN.com's weekly, offbeat look at stories you may have missed on this week's show. Doug Frazier: If Ukraine takes a large in a bite out of one of these territories and occupies areas devoid of civilians, we could see the use of a battlefield nuke. Why don't presidents get access to UFO information? Is the mafia really that violent? Could we have domesticated a T-Rex?