does anyone know the name of the book whose plot deals with.....?

[toniannpreston]

the president of the U.S.A wife's family is killed during a shootout because of he is supporting a law on gun/ bullet control- i think. As a result, he has to maneuver through Washington and gain support for his proposal, while his wife struggles to deal with the death of her family, and trying to have save her marriage? Thanks in advance