During the recent snow storms, some employees stayed home and baked cookies, some braved the elements and slid into work, and some stayed home but worked nonetheless. In the midst of all that, word got out that Marissa Mayer, the new chief executive officer of Yahoo!, plans to put an end to telecommuting at that company later this year.Her edict brought to mind the fictional boss Katharine Parker, played by actress Sigourney Weaver in the 1988 movie “Working Girl.” In that film, a woman has made it to the top, but doesn’t extend a helping hand to other female employees.