By Juveria Tabassum (Reuters) - Cracker Barrel shares fell about 3% on Thursday, after social media backlash around the restaurant chain's short-lived decision to change its decades-old logo hit customer traffic and prompted it to scrap store remodel plans. The company was forced to return to its "Old Timer" logo after facing criticism from conservatives, including U.S. President Donald Trump, for removing the image of an overalls-clad man known as "Uncle Herschel" leaning against a barrel. Its shares ha ...