From local Houston headlines, we bring you these weekend news bits... • Recent Katy Freeway closures are sure to cause a few headaches. As of 10 p.m., Friday night, the Katy Freeway eastbound ramp to Beltway 8 northbound will be closed until April 2008. The westbound ramp to Beltway 8 northbound will be closed until August 2008. • Three Houston area residents have filed a lawsuit against Microsoft for breach of contract because they......