OTTAWA — Canada and the United States have agreed to share more information about the smuggling of guns across their shared border. Public Safety Minister Marco Mendicino says Ottawa has signed four new or updated agreements with Washington that allow the RCMP and Canada Border Services Agency to exchange more data with partners south of the border. Mendicino says the agreements under a rebooted Canada-U.S. Cross-Border Crime Forum will allow more information-sharing with the U.S. Drug Enforcement Administration and the Bureau of Alcohol, Tobacco, Firearms and Explosives. Mendicino made the announcement this afternoon in Ottawa alongside Justice Minister David Lametti…