
Democratic presidential candidate Hillary Clinton, center, has a pint of Guinness beer at a pub in Youngstown, Ohio, on March 12.

Wisconsin Gov. Scott Walker washes down a "cheezborger" with a Schlitz beer at Chicago's Billy Goat Tavern in July.

CNN's Dana Bash and U.S. Sen. Lindsey Graham serve beer to guests in Boulder, Colorado, prior to CNN's Politics on Tap event in October.

President Barack Obama toasts with a Guinness beer as he visits a Washington pub on St. Patrick's Day in 2012.

Obama and first lady Michelle Obama enjoy a glass of Guinness in his ancestral home of Moneygall, Ireland, in May 2011.

While campaigning for the presidency in May 2008, Obama offers a toast while meeting with residents in Raleigh, North Carolina.

Democratic presidential candidate John Kerry drinks a beer in Mt. Horeb, Wisconsin, in September 2004.

President Bill Clinton enjoys a pint of beer in Birmingham, England, in May 1998.


