Check especially the comments. In general, the mainstream news comments section is the most interesting and conveys the most actual information, especially when it has up/down ratings on comments. It gives you an actual sense, normalized to the political position of the outlet, of what ordinary people are feeling.
The sentiment against the TSA is very strong. Romney would be prudent to run against them. Doing so would give him an opportunity to bash the malfeasance and security theater of both Obama AND Bush.
Providing adult supervision to government is probably the most winning narrative he can convincingly put forward---other than the default narrative that---I suck a reasonable amount less than does Obama, and the press will actually criticize me when I do evil things, and the permanent bureaucracy will resist my crazier schemes moreso than it would resist Obama. That narrative has the advantage of being God's honest truth, but it's unlikely to actually inspire many people.
Actually aggressively attacking things that people actually hate probably would. The list of things that the population hates is pretty damned long, but the TSA has bipartisan hatred and even substantial hatred among self-styled cultural elites. Hang a TSA uniform on Obama and beat him like a pinata.