In an effort to stay warm this winter, Americans burned through cash in February at the fastest pace in seven months, but much of their money went to pay for higher energy costs and incomes rose at a much slower clip. Personal spending jumped 0.8% in February as personal income edged up 0.2%, the Commerce Department said Friday. Economistshad forecast income would rise by 0.4% and spending by an even larger 0.7%. Spending was also revi...