bathroom problems

Hi all, My 8 mo old golden, Bodie, just came back from a weekend at the kennel. This is the first time we had to board him. All went well, except he would not relieve himself in his run (all concrete -- he has only even gone on grass prior to this weekend, so not surprised). Anyway, just...

My 3 year old golden was trained by the time he was three months old. I have another 9 year old golden, and I trained them both to go use the bathroom in the back of the yard whenever I gave them the command to "do it." And that worked fine. Then late last year, my 3 year old had a few...