They are the biggest of the big — the Citigroups, the Goldman Sachses, the AIGs and other financial behemoths. The Obama administration doesn't want so many around anymore.
Financial regulations proposed by the president would result in leaner and simpler institutions that don't carry the weight of the system on their marble columns.
Around Washington and Wall Street they have come to be known as TBTF — too big to fail. It's not just size, though. These companies are so far-flung, so intertwined and so precariously leveraged that a single one's collapse can create systemwide tremors that imperil the finances of millions of Americans.