The Texas Credit Union League is campaigning to amend the state constitution to allow Texans access to affordable home-equity loans. The state legislature recently approved amendments to the 1997 home-equity laws, paving the way for a constitutional vote. The TCUL has urged its six million members to vote for Proposition 16 on Sept. 13. The proposed amendment would establish a home-equity line of credit for up to 50 percent of a homestead’s fair