For an income investor, experiencing the overnight announcement of a severe dividend cut on one of your stocks can be particularly distressing. Not only does it result in the loss of expected income, but the stock may be trounced as investors quickly head for the exits at the opening bell. This week, an office real estate investment trust (REIT) with a checkered dividend history served as a harsh reminder of the risks associated with yield traps, as a 16% yield evaporated overnight following a b