Packs of Wrigley chewing gum are displayed in Westerville, O [Getty Images]

UNITED STATES - FEBRUARY 06: Packs of Wrigley chewing gum are displayed in Westerville, Ohio, Tuesday, Feb. 6, 2007. Mars Inc. and Warren Buffett's Berkshire Hathaway Inc. may be close to buying Wm. Wrigley Jr. Co. for more than $22 billion in a deal that would combine two of the biggest U.S. candy makers, the Wall Street Journal reported. (Photo by Gary Gardiner/Bloomberg via Getty Images)

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