This is from the trader column (subscription required):Point 1:Excluding erratic aircraft data, orders for big-ticket items fell in February for a second straight month -- a possible sign corporate belt-tightening may have begun. Will increasing fiscal thrift put a kibosh on hiring -- or worse, lead to job cuts?So far, the robust job market has been a pillar holding up consumer spending and economic growth. And it's even more crucial now, as tightening credit and declining home prices put in peril America's wealth effect and spending habits.Point...