Math, Patterns, and MLK's "I Have a Dream" Speech

The third Monday in January is a national holiday commemorating Martin Luther King, and February is Black History Month. If you're  an educator, and you have not already seen Nancy Duarte's visualization of Martin Luther King's "I Have a Dream" speech, then here it is below on YouTube (or the Vimeo link here): https://www.youtube.com/watch?v=l39CL0t-jyM If [...]