Major League Soccer Week 21 Recap and Video Highlights: Columbus and Houston on top, Galaxy surging

The Major League Soccer season is past the halfway point and heading into the final months. In the Eastern Conference reigning MLS Cup Champions Columbus have a 4 point lead atop the standings while the Houston Dynamo now have a 7 point lead in the Western Conference. Here's a recap of this week's matches, video highlights, and the latest standings.