Matt Lewis reports that "reliable sources in Texas tell me serious preparations are being made for Governor Rick Perry, 61, to seek the Republican nomination for president." Nate Silver notes the timing:
Although a candidate could theoretically enter the race very late — even after the first primaries had been held — they’d be relying either on a complete implosion of the Republican field (in which case they might hope to be selected at a brokered convention) or on running some sort of dubious, gadget-play candidacy. But we’re nearing the end of the period when a candidate could enter and run a more-or-less traditional campaign — and still have time to raise a lot of money, hire lots of staff, and compete vigorously in the early nominating states.
The Dish 