Bojórquez speculates that the cartel's resilience may also also owe something to backroom negotiations with Mexican politicians, who he believes are desperate to find a way to close down the drug wars, which have killed about 100,000 people around Mexico.
McCue, who is a former board member of Twitter, could be "an obvious heir apparent to CEO Dick Costolo, who has been under siege from investors over the last six months", Swisher speculates.
Ratmansky speculates: "Perhaps they just used the port de bras that were conventional – the ones everybody knew – or perhaps the principals were given the freedom to do what they wanted".
Published in 2013, it speculates about what it will be like to live in Lagos 100 years after Nigeria gained independence from the UK.
The conclusion must be, as Greenwald speculates, that we were just roughing up his boyfriend in order to psyche him out.
She speculates that our schools simply drill pupils with facts to pass exams, ignoring their wider social and character development.
He speculates that his firm was seen as "remote, detached 'experts' with no concern for the feelings of loyal fans, fans who have their own unique histories with their brands, histories that had abruptly been rendered null and void".
And what might that be?" Jonathan Capehart of the Washington Post speculates that Mr Giuliani is channeling the ideas of Dinesh D'Souza, a conservative polemicist who insists that Mr Obama, animated by his Kenyan father's anti-colonial politics, sees America as a malign neocolonial power.
He speculates that Britain's winner-takes-all voting system makes its politics "sharper-edged and cruder" than elsewhere, hardening social attitudes.
Mr Rubio speculates that the PAN's abundance of true believers may be hindering its intellectual development.
Jonathan London, an expert on Vietnam at the City University of Hong Kong, speculates that the move may instead reflect an effort to "reduce the urgency of Hanoi's predicament" regarding what to do about China.
