C is the test on how dumb (corrupt?) the government is. they have bailout funds, they are allowed to buy shares of financial companies so that the government becomes a shareholder (swedish model). they should start accumulating these cheap shares by spending ~$1-5B. on top of that they could also infuse more money into C to guarantee their investment. this is actually a very safe money-making scheme for the goverment. as opposed to the money-wasting scheme (GM).
sh*t, just the announcement that the goverment is ready to buy C at the open market will make it trade $10.
i repeat, the government can't lose here and will actually make $$ in 1-2 years.
the only way they lose if C fails anyways. but if C fails, >50% of other banks must fail = total kaput (global depression coupled with nuclear winter and ass farking without vaseline).