Republicans in Texas have managed to ban abortion in almost all cases in their state. Anyone performing, aiding or abetting the termination of a pregnancy after roughly six weeks can be sued in court. The implications are enormous, not just in Texas but across the US. And it points to a wider phenomenon. Ideological conservatives are using state activism to confront federal power. Stephen Sackur speaks to Texas Republican State Senator Bryan Hughes. Has a new front opened up in America's culture wars?