11.   But authorities have offered different explanations for rejecting his entry in Mexico.

12.   But Graham gave a different explanation on Friday.

13.   But in closing arguments in state Superior Court here Thursday, the opposing lawyers offered starkly different explanations of what exactly he was doing in the parking lot.

14.   But on Monday, a Buy.com spokeswoman, Jennifer Blanchfield, offered a different explanation.

15.   But state officials offer a different explanation.

16.   But with Wilson in the equation, Specter now puts forth a drastically different explanation for his candidacy.

17.   Centromin officials had a different explanation.

18.   Corporate officials give a sharply different explanation for the drop in strikes.

19.   Democrats had a different explanation.

20.   Democrats, including some White House officials, offered a different explanation.