The following is excerpted from PBS NEWSHOUR-   “ Judy Woodruff:  A recent string of brutal attacks on elderly Asian Americans caught on video has brought new attention to the rise of violence and harassment of Asian Americans.   Since the pandemic started, more than 3,000 anti-Asian hate incidents have been reported in the U.S., according to the group, Stop AAPI Hate.   Earlier today, Amna Nawaz hosted a live conversation unpacking the history behind these attacks, concerns in the community, and what happens next.     Amna Nawaz: Joining me now is Helen Zia, activist, award-winning author and former journalist and, of course, the author behind the seminal book "Asian American Dreams: The Emergence of an American People."   Also with us is Amanda Nguyen. She's a social entrepreneur, a civil rights activist and the CEO and founder of Rise, a nongovernmental civil rights organization.   So, welcome to you both. And thank you for being here. ...