“Wwhen you talk about how many seats can the Democrats gain, given how unpopular Trump is, the Republican money is seen as a real limiter on Democratic chances,” New York Times reporter Shane Goldmacher told Vox’s America, Actually podcast. | Alex Wong/Getty Images Polls and pundits alike are widely — if sometimes cautiously — predicting a blue wave in the midterm elections on November 3. But there’s an important caveat to predictions of a Democratic triumph: Republicans have far more cash at their disposal. President Donald Trump’s super PAC alone had around $400 million on hand earl...