Sen. Cory Booker wants Democrats to go bolder on guns — and says they’re playing into the hands of the National Rifle Association and the corporate gun lobby by rejecting bolder ideas. “For Democrats to play into the hands of the corporate gun lobby, and just letting them define what the realm of possible is, it’s so defeatist to me,” the New Jersey senator told me during an interview this week. “At a time with the levels of carnage in our country, we don’t need people who are defeatist in their thinking about what’s possible.” Booker, who is running for...