According to a story from WPTV.com
(a Florida TV station's web site), an employee of Home Depot was let go after repeatedly trying to wear a button that said "One nation under God, indivisible."
The story points out that the employee, Trevor Keezer, had worn the button for over a year with no issues, but only was asked to take it off after he added a bible into the mix...
Then, last month, when he started bringing his Bible to work, Keezor says his manager confronted him about the button.
"That's when I was told it had to come off, or I would be sent home. So they sent me home for six straight days without pay. And then today they terminated me," he said.
From that point the story plays down the idea that it was the bringing of the bible to work that caused the managers to act, and focuses on the button, and Home Depot's offer to let him wear other buttons with a similar patriotic theme without 'god' on them.
Again, from the story: Keezer said he preferred to wear his button because, "you can't have country without God. Every pin they showed me had no 'God' on it or anything."