Because the mainstream media and NBC are such bastards.
Video: Mia Love Rocks GOP Convention, MSNBC Ignores
See for yourself - NBC didn't post either Mia Love's speech (video above) OR Artur Davis's speech (video below).
How very racist of NBC and the Mainstream Media to suppress the voices of people of color simply because they do not agree with their views. A terrible thing to do to these conservative African-Americans.
Update - it wasn't just NBC who skipped the African-American speeches, so did MSNBC. Way to keep an open mind, uberliberal scumbags.
MSNBC abandons GOP convention during every speech by a minority