Kelcy Warren, co-founder and executive chairman of Energy Transfer LP, will be the final Fletcher Lecture Series speaker this semester at Hardin-Simmons University. The lecture will begin at 11:30 a.m. Tuesday, March 31, at HSU’s Houston-Landrip Center, 2241 Pine St. Admission is free, but reservations are required by March 17. Click here to reserve a seat.  Kelcy Warren Warren is