EDINBURG TEXAS — University of Texas-Pan American will announce a plan next week to cover all tuition costs and fees for Texas students whose families make less than $25,000 annually. Administrators are still ironing out details of the plan, which is part of a system-wide UT effort to make college more affordable for the lowest-income students. Although many low-income students contribute little out of pocket — their costs are largely covered by federal and state grants — the word "free" sends a powerful message to poor students who do not think college is an option, according to administrators and local...