Hillary Clinton’s historic free pass on the airwaves

Hillary Clinton has endured fewer TV attack ads so far in the 2016 campaign than Marco Rubio.
That remarkable fact underscores how virtually unchallenged Clinton has been on the advertising airwaves, as Democratic and Republican strategists alike say she has gone deeper into the election calendar than any non-incumbent president they can remember in the modern era without sustained, paid opposition on television.

Donald Trump began buying his first TV ads late last week, a nearly $5 million buy across four battleground states, contrasting his immigration plans with Clinton’s....