Michael Weinstein, left, president of AIDS Healthcare Foundation in Los Angeles, locks arms with others at a 2014 memorial for people headed to an AIDS conference who were on the Malaysia Airlines flight shot down over Ukraine.
Michael Weinstein, left, president of AIDS Healthcare Foundation in Los Angeles, locks arms with others at a 2014 memorial for people headed to an AIDS conference who were on the Malaysia Airlines flight shot down over Ukraine. Nick Ut Associated Press file
Michael Weinstein, left, president of AIDS Healthcare Foundation in Los Angeles, locks arms with others at a 2014 memorial for people headed to an AIDS conference who were on the Malaysia Airlines flight shot down over Ukraine. Nick Ut Associated Press file