Hillary Clinton will gradually ramp up her campaign throughout the summer, but it will be months before she turns completely to a more orthodox model replete with a packed public schedule of billboard events and the regular appearance of husband Bill and daughter Chelsea, top Clinton campaign officials said on Thursday. The former Secretary of State will present a more detailed reasoning behind her candidacy at her first official campaign rally on June 13, top Clinton officials told reporters in a briefing at the campaign’s Brooklyn headquarters Thursday evening.