edge. so far no one has been seriously injured. and in other news, it's being called one of the biggest upsets in tennis history. serena williams losing at the u.s. open, ending her hopes for a grand slam win. unseeded roberta vicci being the number-one ranked player after never having won a set against williams in previous matches. i'm uma pemmaraju. here is something you are not hearing anywhere else. give neil cavuto the nobel prize. no. that's not a one. gop presidential rivals agreeing with each other. take a look. >> taxes should be lower, simpler, fairer, and clear. >> the tax code needs to be simpler. >> on tax reform we need a simple flat tax. >> i prefer a tax code that's three pages long, not 70,000 pages long. >> it needs to be lower and