What light rail will bring to South L.A.

After South L.A. erupted in anger 30 years ago, government officials promised to end the community’s economic disparity once and for all, and invest. It’s a promise that many residents say remains unfulfilled. But is that finally going to change?Today, Part Two of our L.A. riots anniversary coverage will focus on the Crenshaw Line, a light-rail system that some South L.A. leaders say will help the neighborhood improve — and others fear will bring gentrification. Read the transcript. Host: Gustavo ArellanoGuests: L.A. Times business reporter Samantha MasunagaMore reading:Facing schedule delays, L.A. Metro seeks $120 million more for Crenshaw LineMeet six artists making the public art you’ll soon see on Metro’s Crenshaw/LAX LineOpinion: The Crenshaw Line is a start, but L.A.'s most transit-dependent neighborhoods need more options