Applied public choice in the Texas Legislature, as seen in the video below (HD Division of Labour).
And some people thought that "pianist congressmen and congresswomen" existed only in places like Brazil. To be fair to Brazil, there the misdeed at least led to a big public scandal, a public statement of misconduct by the Congress, and a change of the voting system (which now reads fingerprints).
One important economic lesson here is that, as it's well known among economists, ethical integrity of politicians is not among the strongest factors explaining developmental differences across countries, independently of the popularity of the notion.
Enjoy the representatives' ballet!