April 22, 2015 9:15 pm Effort Underway to Extend Sales Tax A half-cent increase in sales tax that’s helped fund transit options is about to expire, but an effort is underway to extend it. Conan Nolan reports for the NBC4 News at 6 p.m. on Wednesday, April 22, 2015. US & World Videos 7:42 See aftermath of UCLA protest encampment in front of Royce Hall 2:56 USC faculty march in support of pro-Palestinian protesters 2:09 LAPD on tactical alert due to UCLA protests 2:38 Photographer recounts violence at UCLA protest, counter-protest 3:33 Crowd of protesters grow at UCLA despite order to disperse