The easiest way to explain why the U.S. economy appears poised for its best growth in years can be found in a pair of words that have become more and more common: Help wanted. Over the past year the U.S. has cranked out an average 259,000 new jobs a month, including almost 1 million positions in the last three months alone. That’s the strongest increase in employment in a decade and a half. Nor is there any sign hiring is about to crumple. The U.S. added 252,000 jobs in January and economists polled by MarketWatch predict a milder but still-healthy 235,000 gain in February. The unemployment rate is seen dipping to ... (full story)