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Editor’s Note: This story comes from CableTV.com. Super Bowl LVIII starts at 6:30 p.m. ET on Sunday, Feb. 11, but what’s a sports fan to do in the hours leading up to it? Live with the TV off? Unthinkable. For dog lovers, we’ve got a suggestion: Turn on Animal Planet channel and enjoy three hours of cute canine tomfoolery. Puppy Bowl XX airs at 2 p.m. ET on Sunday, Feb. 11…