For decades, federal Pell Grants have helped millions of students from low- and middle-income families afford college. Now, for the first time, that financial aid will also be available for short-term vocational training programs designed to help students enter the workforce. Stephanie Sy reports on the rollout of Workforce Pell for our series, Rethinking College. Geoff Bennett: For decades, federal Pell Grants have helped millions of students from low- and middle-income families afford college.