A profile of Steve Bannon indicates that the Breitbart chief is getting increasingly frustrated with President Donald Trump, and might tap into his own presidential ambitions in the coming years. Vanity Fair’s Gabriel Sherman wrote an extensive report stating that the former White House chief strategist has expressed concern to various aides about the longevity of Trump’s presidency. Even though Trump and Bannon are believed to be still in close contact with each other, the latter is unhappy with the direction of current administration and starting to think his own direct intervention is needed for national politics. In October, Bannon...