With employment numbers continuing to be discouraging across the country, many information technology decision makers are nonetheless optimistic about IT hiring toward the latter half of the year, according to a new study from information technology company CDW. CDW’s IT Monitor, which has been tracking IT sentiment since the beginning of the recession, recently polled 500 such "decision makers" – CIOs, primarily, as well as executives in charge of technology purchasing – from large, medium and small firms across many sectors, including healthcare.