Ex-SEC staff warns of another Lehman Brothers collapse [https://www.thestreet.com/.image/t_share/MjE2ODQ0NzY3ODY1MDg3MzQz/gettyimages-2217857233.jpg] Ex-SEC staff warns of another Lehman Brothers collapse Ex-SEC staff Amanda Fischer warns the latest crypto guideline risks leading to another Lehman Brothers moment. [https://www.thestreet.com/crypto/policy/ex-sec-staff-warns-of-another-lehman-brothers-collapse]