Weather too hot for puppy to handle

Pittsburgh, PA - We have a 9-week-old golden retriever puppy who hates the hot weather. Daisy was very fun and loved to play outside the first week that we had her. Now we practically have to drag her outside to go potty. She won't play and hardly wants to walk...
Source: The Tribune-Review on PittsburghLive.com, 7/24/2005