At least 2.6 million anti-Semitic tweets have been directed at more than 800 journalists since the 2016 presidential campaign began, often because those journalists voiced critical opinions about Donald Trump, the Anti-Defamation League said Wednesday.The anti-Semitic Twitter attacks, which have increased as the campaign has gone on, represent what the ADL describes in a new report as a "disturbing" and "execrable" trend."There is evidence that a considerable number of the anti-Semitic tweets targeting journalists originate with people identifying themselves as Trump supporters, 'conservatives' or extreme right-wing elements," the ADL report states.While the ADL is careful to note that Trump did not support these tweets, the group says he "may have contributed to an environment in which reporters were targeted" because of his anti-media rhetoric, which has included labeling reporters "absolute scum" and saying that while he did not want to kill reporters, he did "hate them.Read more on NewsOK.com