Fifty parting thoughts from the U.S. Open

PRICE: Serena's commitment pays off with another U.S. Open title
• Paes and Stepanek went on to win the title, beating Alexander Peya and Bruno Soares 6-1, 6-3. Lucie Hradecka and Andrea Hlavackova won the women's title by eliminating Serena and Venus Williams in the semifinals and rallying from a set and break down to edge Ashleigh Barty and Casey Dellacqua 6-7 (4), 6-1, 6-4 in the final. The Australian runners-up were finalists at three majors this year.
• A tip of the backward baseball cap to Lleyton Hewitt, 32, for reaching the fourth round for the first time since 2006. But how will he abide losing a 5-2 lead in the fifth set -- and the last five games -- of his match against Mikhail Youzhny? Fascinating how even the most revered fighters and mentally strong players occasionally get "the bottles," as the Brits call it.
Thanks to everyone for the emails and tweets. We'll do it again for the Australian Open in January.

Jon Wertheim is a senior writer for Sports Illustrated and has been part of the full-time SI writing staff since 1997, largely focusing on the tennis beat, sports business and social issues, and enterprise journalism. In addition to his work at SI, he is a correspondent for “60 Minutes” and a commentator for The Tennis Channel. He has authored 11 books and has been honored with two Emmys, numerous writing and investigative journalism awards, and the Eugene Scott Award from the International Tennis Hall of Fame. Wertheim is a longtime member of the New York Bar Association (retired), the International Tennis Writers Association and the Writers Guild of America. He has a bachelor’s in history from Yale University and received a law degree from the University of Pennsylvania. He resides in New York City and Paris with his wife, who is a divorce mediator and adjunct law professor. They have two children.