Al Jazeera: US President Barack Obama says he is going to veto a bill that would give victims of the 9/11 attack the ability to sue Saudi Arabia.

However, the bill will probably still become a law because it's believed there is enough support in Congress to override Obama’s veto.

It's part of what is being seen as a shift for US policy in the region.

Al Jazeera's Patty Culhane explains.