CATHY VS. MARC: For those wondering where Cathy Horyn was during the Marc Jacobs show on Friday, her On the Runway blog explains it all. Unlike some editors who missed the show since it unexpectedly started almost on time, it turns out Horyn became ill Friday and passed her reporting duties to colleague Eric Wilson. But he didn't get the last word. Using the wonders of the Web, Horyn viewed the collection online and mused about it on her blog. "I've looked at the MJ show on Style.com and can see why some people found it a little slack," she wrote on Monday. "I like Jacobs' sportive take on casual dressing, a category that has been stuck in neutral for awhile (too girlie, too Marni, too high-low, etc.). I don't know if Jacobs intended to focus on casual, especially on trousers and tops, but I like the direction here."