[Freelance Warrior]

At some point the local press speculated the pilots had an argument on what to do.

[Moonman62]

Here’s an article mentioning the possibility of an argument:

http://www.reuters.com/article/us-russia-crash-idUSKCN0X50W7

*** Unnamed sources have told Russian newspapers that an initial read-out of the plane’s flight recorders had suggested the two pilots argued about the right course of action to take in the minutes before the crash. ***