CHICAGO — Less than 36 hours after a shooter opened fire at the Fourth of July parade in Highland Park, killing seven people, Vice President Kamala Harris arrived in the north suburb Tuesday evening calling for federal action on assault weapons. “We’ve got to be smarter as a country in terms of who has access to what, in particular assault weapons,” said Harris, who was joined by Highland Park Mayor Nancy Rotering and other Democratic politicians. “And we’ve got to take this stuff seriously. The whole nation should understand and have a level of empathy to understand that this could happen any…
