Finance ministers and central bankers from the Group of 7 big economic powers, including the U.S., gather in London today for informal talks about global economic recovery. Germany's finance chief is in for a roasting over the hot topic of austerity. Speaking of global economic indicators, Luxembourg's ArcelorMittal, the world's biggest steel company, reported profits were down in the first quarter of 2013. And, amid the debate over immigration, consider the following. People who were born in one country, but move somewhere else have an estimated $400 billion in savings -- putting them in the position to lend money to their motherlands.