The War with Grandpa is a cringe-worthy comedy that doesn’t really break new ground on the genre nor offer anything we haven’t seen before. The antics in The War with Grandpa draw along similar lines to Home Alone. A key difference being that the two at war are family members. In spite of the cast, this film simply isn’t good. While Rob Riggle is a natural comedian, Robert De Niro has shown in both Meet…"The War with Grandpa: Raise the White Flag"