Now the tough questions begin for Penguins

Well, that certainly didn’t go as planned.

The Pittsburgh Penguins’ 2018-19 season came to a disappointing thud of an end on Tuesday night as they watched the New York Islanders celebrate a clear four-game sweep on the PPG Paints Arena ice. It is the first time since 2015 the Penguins have gone out in the first round — an impressive run — and the first time they have been swept since the 2013 Eastern Conference Final against the Boston Bruins.

Now, the questions begin.

The questions as to where this postseason failure falls among past postseason failures.

Make no mistake, this was a failure in a lot of ways. The Penguins’ reputation wasn’t at stake this postseason in quite the same way, say,…