Your Life“I am a chingona,” said Sandra Cisneros, acclaimed author of The House on Mango Street, at this year’s AARP Life@50+ National Event and Expo in Los Angeles. Nervous laughter and anticipation filled the room. But as Sandra’s embodiment of the word began to unfold, a feeling of inspiration swept over the crowd. At 56, Sandra’s spunk, guts and artistry are simply infectious. Watching her, it became clear, that her magnetic energy and thoughtful insights on life are truly representative of …