Dear Editor, Come on Colin [Clark]! First you say that the roads CAMPO is planning to build will all be over the Barton Springs Watershed [“Postmarks,” April 28]. Then you imply that the money CAMPO is planning to spend on the roadways can somehow be used by the city to purchase open space. You know that is just not true. CAMPO money is almost all state and federal, which cannot be used for anything but transportation. You know this – you have been beating CAMPO up for years on these projects! Make your arguments on truthful statements. If they are valid, a “spin” doesn't need to be applied.