The Silicon Valley drama continues. First, Apple boss Steve Jobs stepped down. Then, Yahoo CEO Carol Bartz was brutally fired over the phone. Now, there are growing rumblings that Léo Apotheker, Hewlett-Packard's chief executive, could be sent packing after less than a year on the job, and that former eBay chief Meg Whitman is the leading contender to replace him. HP hasn't had an easy time in recent years, plagued by a damaging phone-hacking scandal and a sexual-harassment controversy.