The lack of job growth in the U.S. appears to have been a big factor keeping many on the sidelines during the market’s big rally over the past year. But John Challenger of Challenger, Gray & Christmas tells Yahoo! TechTicker that job growth may be just around the corner. Challenger, whose firm issues one of the more well-known employment reports, talks about why he thinks job creation will start to outpace job cuts more consistently in the second half of 2010 — and explains why he doesn’t buy the argument that we’re in a “new normal” of prolonged high unemployment.