Yahoo and News Corp. are in talks, according to reports, about the potential for News Corp. to take a 20 percent stake in Yahoo to help it fend off a hostile takeover by Microsoft. Also, Yahoo sent a letter to shareholders indicating that CEO Jerry Yang wants to tap a “unique window of time” to build market share and create more value for them. A wage cut by IBM prompts employee protests. Rather than picket lines and angry signs, this labor protest, rare in the high-tech realm, is happening entirely online and it’s spearheaded by a petition that 1,200 workers have already signed. Red Hat and Hyperic start an open source project to create a core set of IT infrastructure management capabilities, dubbed RHQ, to eventually become a set of services for reporting, security, and agents, that could be built into various product offerings. Related: Red Hat looks to make JBoss an enterprise player. At the Mobile World Congress this week, executives from the GSM Association, Nokia, Ericsson and China Mobile encourage mobile operators to think green and show off prototypes of what they’re doing in that same capacity, including handsets made from recycled parts and cell towers that require less energy. A U.S. district court judge sends Oracle’s lawsuit against SAP to mediation, after a case management meeting, though the judge offered little detail regarding reasons why. And a new study conducted by application testing company AppDNA determines that SP1 does nothing for Vista compatibility. Instead, it leaves 20 percent of software still unable to run on the new OS. Software Development