The Canadian government is seeking new powers to enable it to take a stake in banks and other financial institutions, following the example set by the US and the United Kingdom.   The new legislation would allow the government to inject capital into private institutions or to take over a failing lender and split it into a "good bank" and "bad bank."   Minister of Finance Jim Flaherty said in his autumn economic statement that the measures were "in keeping with the action plans we agreed to with our international counterparts at the G7 and G20 meetings."    The minis

