Bosses say biggest failing among college graduates, job applicants is inability to speak and write effectively They have cell phones, BlackBerries and Palm Pilots and live by instant messaging and the Internet. Yet many graduating college students get bad grades from employers for their communications skills. When Debra Vargulish recruits on college campuses for Kennametal Inc., for example, the students she meets are often inarticulate and shy. "They seem to be way better at using technology than older people. It's actually the content that is missing," said Vargulish, a training administrator at the Latrobe-based global tooling company. "A lot of...