Name a gun control regulation, and you’ll find Democratic presidential candidates who enthusiastically support it.Sen. Kamala Harris, D-Calif., promised Wednesday that if she becomes president she will use executive orders to mandate background checks on the private transfers of guns, revoke the licenses of gun makers and dealers whose guns are used in crimes, and ban the importation of many semi-automatic guns.Her proposals follow Sen. Cory Booker’s push for licensing gun owners and an even longer list of gun regulations. Like Harris, Booker, D-N.J., is seeking the Democratic presidential nomination.

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