"His mutual-fund firm had been bleeding money for years, with assets under management plunging to just $4.75 billion on July 31 from $21.4 billion in 2004."
Put the politics aside.
His long term record has been quite good. He is a disciple of Ben Graham (Buffett’s teacher at Columbia) and has never let political correctness influence his stock picking.
I have used his funds in 401K plans I put together for clients and have no problem with doing so in the future. Just because hot money has left him doesn’t change my opinion of his long term effectiveness.