See UPDATE below.
1) Until I saw clips of him in the past two or three days, I hadn't realized how much watching and seeing Perry is just like having George W. Bush back in our living rooms. Maybe this will be an ingredient for strong conservative support. I can't imagine that any sophisticated Republican operative thinks it's a plus in winning 270 electoral votes. When Republicans ran against the first post-Nixon Democratic president, in 1980, they didn't try to find someone who looked and sounded like Tricky Dick.
2) Just after Sarah Palin was nominated three years ago, I argued that anyone who moves all at once from state-level to national-level politics is going to be shocked by the greater intensity of the scrutiny and the broader range of expertise called for. Therefore that person is destined to make mistakes; the question is how bad they will be. For Palin, they showed up in her disastrous first few interviews, especially with Katie Couric. Perry is getting his own introduction to this principle just now.
3) For the past few months, Democrats have had the suspicion that Republicans are playing a double or even triple-game in opposing the Obama Administration on spending and deficit issues. At the most principled levels, they're upholding their belief in a smaller government. At the next level down, they're trying to limit Obama's operational successes wherever they can. And, most cynical of all, they understand the idea of "the worse, the better." The surest path toward beating Obama next year is for the economy to stagnate or decline.