Three Mandell Menkes LLC attorneys have launched a new boutique firm — and they are bringing over some high-profile clients.Baron Harris Healey founders Steven L. Baron, Natalie A. Harris and Brendan J. Healey are representing the Geragos & Geragos Law Firm, Mark Geragos and Tina Glandian in a lawsuit brought by Olabinjo Osundairo and Abimbola Osundairo.The Osundairo brothers were initially suspects in an …