NBCNews.comClinton ad knocks Trump over Brexit responseCNN(CNN) Hillary Clinton's campaign will begin airing an ad this week that knocks Donald Trump for his response to the United Kingdom voting to leave the European Union. "Every president is tested by world events but Donald Trump thinks about how he can ...Trump blows response to Brexit voteThe Hill (blog)Clinton says 'experienced leadership' needed to avoid troubles Britain facesFox NewsBrexit: Can we come to our senses?Washington Post (blog)NBCNews.com -Politico -Reuters -The Atlanticall 1,599 news articles »