How Do I Get Rid Of Microphone Static In Audacity From Live Commentary?

First, select a section of audio with no commentary, just noise (or static). Next, go under the "Effect" menu, and click on "Noise Removal", then "Get Noise Profile" in the box that appears. Finally, select all of the audio you want to take the noise (static) out of, click on "Noise Removal" again (NOTE: Do not click on "Repeat Noise Removal") and play with the sliders at the bottom until you are happy with the end result. Good luck!