Daniels was the only potential candidate that I think had any chance of doing better than Romney.
Others thought he was less of a man because his wife left him to marry another man even though Daniels won her back.
Still others didn't like his so-called call for a "truce" on social issues and focus on the red ink menace. And then there were those who didn't like his association with Bush.
Cited as the reason he didn't run in 2012, I doubt his wife would sign off on 2016 but it might change with time.