It's no secret that their separation wasn't the most congenial matter, but Charlie Sheen and Denise Richards have respectfully put their differences aside for the sake of their children. The former husband and wife met up in New York City over the weekend, with Denise taking a private jet into town on Saturday with daughters Sam and Lola before Sheen turned up at the hotel later in the evening. On Sunday (October 24),Sheen and Richards stepped out with their adorable girls for a shopping spree at the American Girl Place store. Previously talking with Extra about the importance of being civil...