Texas' open records law should be tightened and clarified to reduce lawsuits, witnesses told a Senate committee Monday. Freedom of information advocates said the Legislature could improve on what is widely seen as one of the best public information acts in the country, but should provide more information, not less. Lt. Gov. David Dewhurst asked the Senate Open Government Committee to consider possible changes to the Public Information Act when the Legislature meets next year. One key question is how much information private contractors must turn over when they are providing services on behalf of the government.