For Madeleine Elizabeth Jackman, the only thing scarier than choking as members of her family looked on was realizing that “no one sitting around me knew what to do.”
“In a whole restaurant full of people, only one customer, a registered nurse, had the proper training to save my life,” Jackman, of Newburyport, said.
That fateful moment brought Jackman, the president of her Red Cross Club at Newburyport High School, and a rising senior, into contact with state Senate Minority Leader Bruce E. Tarr…