From the AP:

"It's over and done with. I'm thrilled with it. He did what he needed to do -- now I can go forward," Giambi said before the Yankees hosted Detroit in the opener of an important four-game series. "I can go forward and not hurt the ballclub with a suspension."

Selig, speaking on the second and final day of an owners meeting in Toronto, called this an "appropriate decision." ...

"He's doing a lot of public-service work, and I think that's terribly important," Selig said. "I think it's more important for us to keep getting the message out. He was, I thought, very frank and candid with Sen. Mitchell, at least that was the senator's conclusion. Given everything, this is an appropriate decision."