FILE - In this Thursday, May 24, 2012, file photo, employee Rosy Tirado pulls a pepperoni pizza from an oven at a Pizza Patron Dallas, Texas. While lower-wage American workers have acco

 

              FILE - In this Thursday, May 24, 2012, file photo, employee Rosy Tirado pulls a pepperoni pizza from an oven at a Pizza Patron Dallas, Texas. While lower-wage American workers have acco
FILE - In this Thursday, May 24, 2012, file photo, employee Rosy Tirado pulls a pepperoni pizza from an oven at a Pizza Patron Dallas, Texas. While lower-wage American workers have accounted for the lion's share of the jobs created since the 2007-2009 Great Recession, a survey released March 2013 shows that they are also among the most pessimistic about their future career prospects, their job security and their finances. (AP Photo/Tony Gutierrez)