A close associate of Republican presidential candidate Donald Trump on Monday claimed the father of a slain Muslim American soldier was a “Muslim Brotherhood agent” after Khizr Khan entered into an impassioned exchange with Trump over the qualities required in an American leader. Roger Stone, a former adviser to Trump’s campaign, tweeted that Khizr Khan was an agent of the Muslim Brotherhood, an Egypt-based Islamist organization, and provided a link to a website that claimed Khan promoted Islamic sharia law and was “probably” acting on behalf of “Muslim oil companies.” *snip* Shoebat listed incidents in which US Muslim servicemen have...