Politico:

Someone’s feeling a little sensitive about the “Louisana Purchase”…
“That’s such an offensive question, it’s just offensive,” said Louisana Democratic Sen. Mary Landrieu, after being asked what she would “need” to see to support a climate bill during a hallway encounter in the Capitol Tuesday.
“It’s not what I need, it’s what I believe what the people that I represent believe. It’s not what I need.”