Expect the largest U.S. banks to continue to feel the effects of the mortgage implosion as they pony up over $100 billion to get out from under their legacy mortgage litigation issues, according to an analysis by Standard and Poor’s. Since 2009, S&P noted that the big banks – Bank of America, Citigroup, Goldman Sachs, JPMorgan Chase, Morgan Stanley and Wells Fargo – together have paid or set aside more than $45 billion for mortgage representation-and-warranty issues and have incurred some $50 billion in combined legal expenses. This does not include...