Graphic by Todd Wiseman / Blake Thompson

A year after Fort Worth billionaire Richard Rainwater died from a degenerative brain disease, researchers around the country are still working to develop new treatments, thanks to ongoing support from his family. (Fort Worth Star-Telegram)

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Cassandra Pollock was a state politics reporter for the Tribune. She joined the Tribune full-time in June 2017 after a fellowship during the 85th Texas Legislature. Pollock spent her first two years at...