On this day, 48 years ago, President Lyndon Johnson signed the Voting Rights Act, announcing, “This right to vote is the basic right without which all others are meaningless. It gives people, as individuals, control over their own destinies.” With Martin Luther King Jr. and Rosa Parks at his side, he pledged that the act would be enforced. No longer would anyone be excluded from exercising the right to vote because of the color of his or her skin. This February, in his fourth State of the Union address, a newly re-elected President Obama earned fierce applause when he declared: …