Chair umpire avoided walking streets of New York after Serena controversy.
Critics charge racism; Herald Sun claims "politically correct" charges false.
Ryan Harrison set for his third Davis Cup tie of the season.
Umpires are standing in solidarity with Carlos Ramos.
ITF says fines Serena incurred reinforce Ramos' ruling.
US Open champion can break all-time Grand Slam record says Juan Martin del Potro.
Tennis Now editor Richard Pagliaro joins Chris Oddo on the Lucky Letcord Podcast to discuss all the drama of the U.S. Open women's singles final.
