"I also believe in background checks, so that terrorists can't get their hands on one of these," Kander pivots.
Second Amendment advocates argue that background checks would limit a constitutionally guaranteed right, while background-check advocates say it's a simple matter of keeping weapons out of the hands of dangerous individuals.
Recent efforts at passing background-check legislation haven't gone very far in Congress. But the American public apparently isn't as split as the legislature; The Post reported last fall that about 85 percent of gun owners support universal background checks for purchasers.
Kander actually has a chance to take Blunt's seat; despite its GOP lean at the federal level, Missouri is ranked the 10th most likely to flip parties in The Fix's most recent Senate rankings, in part because Democrats consider Kander, a 35-year-old secretary of state and Afghanistan war veteran, a strong recruit.
If his newest ad resonates with voters, Kander will be that much closer.