Veteran CBS journalist Connie Chung broke barriers in TV news, becoming the first Asian woman to co-host a nightly network news program. She reflects on her four-decade career in a new memoir, “Connie,” and sits down with “Sunday Morning” anchor Jane Pauley in her Montana home to talk about battling sexism and racism in what she called “a sea of ​​men” and the lengths she’d go to to get the big interviews.