Erika Martinez, right, and Mar Bertran march from the Capitol to the Federal Courthouse downtown Tuesday to rally for abortion rights. Hundreds of protesters marched in the middle of Congress Avenue after the leak of a draft majority opinion that indicates the Supreme Court case could overturn Roe v. Wade. JAY JANNER/AMERICAN-STATESMAN
Natalia E. Contreras Austin American-Statesman USA TODAY NETWORK A potential national ban on abortion will disproportionally affect Black, Latino, immigrant, and low-income Texans, who already…