Discussion by Sanjay Manandhar, Chris Deschenes and Dave Powsner at a Panera, in Waltham, Massachusetts, on hiring in high tech.  Sanjay is founder and CEO of Aerva, a digital signage company; Chris, a software developer and principal of Entrasoft, a software consulting firm; and, Dave is a patent lawyer and partner with Nutter, McClennen & Fish, in Boston.