Talk about hot gas. Rick Perry may have affectionately mistaken our site name once, but Senate Democrats could be in position to trademark it for themselves after tonight. The caucus will hold an all-night talkathon to demand action on climate change, which has USA Today very confused. After all … don’t Democrats control that chamber? A majority of Senate Democrats on Monday will launch an overnight “talkathon†until approximately 9:00 a.m. Tuesday to draw attention to climate change.The overnight effort, organized by Sen. Brian Schatz, D-Hawaii, is part of the recently launched Senate Climate Action Task Force headed by Sens....