along with houston police, the harris county sheriff's department and department of public safety are also on scene, and texas governor greg abbott is allocating any needed resources. five officers shot, two of them are critical. three of them are stable. tucker. >> tucker: trace gallagher, thanks a lot for that sad story. the 2020 campaign is ramping up, and the leading candidates are racing left so quickly it will make your head spin. mark steyn has been watching carefully and he joins us with his assessment next. the latest innovation from xfinity