In this week's Fast Forward, 50 years after Martin Luther King's Famous "I Have A Dream" Speech, crowds plan to gather in D.C. Also, President Barack Obama is back on the road, while Tea Partiers join forces to try and knock down the Affordable Care Act. Sen. Bernie Sanders, I-Vt., who marched on Washington with Martin Luther King, joins Ed Schultz to discuss.Aug. 18, 2013