On opening night at the Segerstrom Center, we are transported to the 1950s and we find ourselves at Desilu Studios for a taping of two episodes of “I Love Lucy.” It is sweet and quaint. Life seemed so much simpler then and the ladies fashions so pretty! (I want pedal pushers to come back now!) “I Love Lucy” Live brings to life two episodes of the classic television show. Hardcore fans will recall the antics of “The Benefit” and “Lucy Has Her Eyes Examined.”  The actors who portray the characters, especially Lucy (Sirena Irwin) and Desi (Bill Mendieta), are magnificent. I totally felt like I was watching Lucille Ball and…