For many federal employees, summer is the time to get some much needed rest and relaxation. They place a premium on this vacation time. In fact, a 2008 Merit Systems Protection Board (MSPB) survey of new hires found that 94 percent of respondents viewed vacation time as important to a job offer, beating out the percentage of respondents who said the same about health insurance and 401(k) or fixed pension plans. But while serving as chairman of the Merit Systems Protection Board (MSPB), I came across cases involving employees who took their love of vacations too far, making their R&R…