Now that lawmakers have convened in Austin, private citizens and PACs are no longer able to make political contributions, so the sole financial influence on lawmakers during the legislative session comes from lobbyists. In fact, in session and out, lobbying is by far the biggest source of money in Texas politics — and taxpayers are footing the bill for a lot of it. This look at the City of Houston is the first installment in our series analyzing the top taxpayer-funded entities in Texas.