College is expensive.  But what does it cost to go without a higher education?

  Opinion Column By Debra DeMuth                          A recent study by Georgetown University projects that within the next 8 years nearly 70% of Colorado jobs will require a college degree.  Currently, 86% of Colorado jobs require at least a two-year degree.  And the lifetime earning potential for a college degree can be as much as $1 million greater than an individual with just a high school diploma.   Over the past few decades, higher education has become a virtual must for American workers.   But with the news of tuition increases, more and more families are