Former Attorney General Eric Holder blasted President Donald Trump’s demand to investigate possible federal meddling in the 2016 presidential campaign as “dangerous” and “democracy threatening” in a message posted Monday afternoon. “Trump demand for DOJ investigation is dangerous/democracy threatening. DOJ response is disappointing,” Holder lamented on Twitter. “There is no basis/no predicate for an inquiry. It’s time to stand for time-honored DOJ independence. That separation from White House is a critical part of our system.” On Sunday, President Trump took to Twitter to demand that the Justice Department probe politically-motivated spying on his campaign. “I hereby demand, and will do...