The math doesn’t add up for those of us among the so-called baby boomer generation, defined as anyone born between 1946 and 1964. Since there were an estimated 73 million of us born during that period, we represent the largest chunk of the country’s work force population (40 percent) and every day an estimated 10,000 of us reach age 65. The good news is that a whole bunch of us are reaching 65, since the alternative is not so good. The bad news is that there won’t be enough of what they call “Generation X” (those born between 1965 and …