In South LA\u2019s Crenshaw District, a 1.3 mile public art project promises to honor a neighborhood\u2019s history -- and stand against the threat of gentrification, as the train rolls in. As LA\u2019s awards season gets underway so does its art season. The LA Times\u2019 Deborah Vankin explains a packed calendar of art fairs and how they mesh with Tinseltown, as well as a changing and expanding museum scene.