As the Democrats shift to the left on a number of issues from health care to immigration, they’ve already gone all in on one of the most contentious issues around -- gun control

A study by The Wall Street Journal[1] found that of the 63 candidates on the House Democrats’ campaign arm’s list of seats to flip in November, 62 support expanded background checks for gun purchases.

While Dems have long pushed for gun control, there was a time when some candidates ignored the issue, included gun rights as part of their platform or even allied with the National Rifle Association. But support for gun control among candidates has hardened in recent years after a rash of high-profile mass shootings including at schools -- most recently the February shooting in Parkland, Florida.

That shift is being reflected in activity on the campaign trail, with more Democrats being more vocal on gun control and their advocacy of proposals such as background checks.

There has been a spike in spending on ads by Democrats that focus on gun control across gubernatorial, Senate and House races, according to USA Today[2]. In 2014, there were 558 pro-gun control spots, mostly from Democrats. In 2018, that number had rocketed to 18,416, in comparison to 8,897 anti-gun control spots by mostly Republicans.

In the House races, pro-gun control ads represented about 67 percent of those with explicit messages on guns, compared to just six percent in 2014.

DEMOCRATS TEST-DRIVE NEW MIDTERM SLOGAN AFTER FIRST ONE IS MOCKED [3]

That has in turn led to some significant about-faces on the issue from long-time lawmakers. The Journal points to Rep. Ann Kirkpatrick, D-Ariz. In a 2010 ad, she bragged

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