How you can use repetition, rhetorical questions, and cadence the way MLK did to enhance the effectiveness of your presentations and speeches.

Though the holiday is young, this will only be the 25th year that all 50 states recognize it together. Here's what's open and closed on Martin Luther King Jr. Day.

"While others were advocating for freedom by 'any means necessary,' including violence, Martin Luther King Jr. used the power of words and acts of nonviolent resistance, such as protests, grassroots organizing, and civil disobedience to achieve seemingly impossible goals," according to The King Center.