Counterparts have `cordial' meeting By Shea Andersen Tribune Reporter CIUDAD CHIHUAHUA, Mexico - Despite numerous sources of tension between them, the governors of New Mexico and Texas tried to focus on common concerns rather than differences in a meeting this morning. The two were attending the annual Border Governors Conference with the governors of eight Mexican states in this northern Mexico city. Gov. Bill Richardson, a Democrat, and Gov. Rick Perry, a Republican, are far apart on political matters at home, and tension between the two simmered just below the surface over the 11 Democrats from the Texas Legislature who...