Channing Tatum and Rachel McAdam’s team up for a romantic tear jerker (video)

What if you were so in love and something traumatic happens? Your spouse forgets who you are. ‘The Vow’ comes out Valentine’s Day and includes ‘The Notebook’ star Rachel McAdams and ‘Dear John’ heartthrob Channing Tatum. “Can a once in a lifetime love have a second chance?”