AUSTIN — A hefty expansion to the state’s narrow medical marijuana program won overwhelming approval in the Texas House on Monday, giving veterans broad access to THC treatments and raising the number of dispensaries allowed in the state. The bill also would nearly double the number of medical conditions non-veterans would now be eligible for treatment under the Texas Compassionate Use Program. That state initiative allows doctors to prescribe low-dose tetrahydrocannabinol – known as THC, the