Corporate recruiting & staffing strategies, always a perennial headache for HR professionals, could be on the verge of a huge jump in ease and power. The reason? A common language for exchanging HR information over the Internet is beginning to emerge. This week in *HRWire* -- a special look at how online job boards are joining the HR-XML standards-setting process, which they see as a boon to their HR clients as well as to job seekers.