Complex sentence: On August 13,2014, she announced her endorsement of Betty Yee for California State Controller, called her one of the state's "most knowledgeable and responsible money managers," and said she was proud to endorse her.
Split into simpler sentences: On August 13,2014, she announced her endorsement of Betty Yee for California State Controller. Harris called Yee one of the state's "most knowledgeable and responsible money managers" and said she was proud to endorse her.