Puzzle overhanging job market: When will more people return?

In this 2020 file photo, a "Now Hiring" sign hangs on the front wall of a Harbor Freight Tools store in Manchester, N.H. (AP Photo/Charles Krupa, File)

WASHINGTON — When the U.S. government issues the September jobs report today, the spotlight will fall not only on how many people were hired last month. A second question will command attention, too: Are more people finally starting to look for work?