Decorations hang in the State Dining Room during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

Chicago artist David Lee Csicsko holds a ceramic tile holiday ornament he designed as part of the holiday decorations at the White House in Washington, November 28, 2012. REUTERS/Mary F. Calvert

The official Christmas tree stands in the Blue Room during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

Lauren Rae (L) and Olivia Marlow (C) look at the ornaments in the Grand Foyer during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

Former First Lady Jacqueline Kennedy's ornament adorns a first lady Chirstmas tree in the Grand Foyer that holds White House ornaments from Christmases past during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

U.S. first lady Michelle Obama hugs a volunteer while presenting the holiday decorations at the White House in Washington November 28, 2012. REUTERS/Mary F. Calvert

Ceramic tiles in topiary boxes designed by Chicago artist David Lee Csicsko as part of the official Christmas decorations are seen in the State Dining Room at the White House in Washington, November 28, 2012. REUTERS/Mary F. Calvert

Christmas decorations in the Red room during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

Christmas decorations in the China room during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

The official White House Christmas Tree festooned with ornaments is shown in the Blue Room at the White House as First lady Michelle Obama welcomed military families, including spouses and children for the first viewing of the 2012 holiday decorations in Washington, November 28, 2012. REUTERS/Mary F. Calvert

Former First Lady Lady Bird Johnson's ornament adorns a first lady Chirstmas tree in the Grand Foyer that holds White House ornaments from Christmases past during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

First Lady Michelle Obama's ornament from 2011 adorns a first lady Chirstmas tree in the Grand Foyer that holds White House ornaments from Christmases past during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

The official White House Christmas Tree festooned with ornaments is shown in the Blue Room at the White House as First lady Michelle Obama welcomed military families for the first viewing of the 2012 holiday decorations in Washington, November 28, 2012. REUTERS/Mary F. Calvert

Chicago artist David Lee Csicsko designed wooden cut-out trees decorating the First Lady's Garden at the White House in Washington, November 28, 2012. REUTERS/Mary F. Calvert

U.S. first lady Michelle Obama holds a candy as she welcomes military families, including Gold Star and Blue Star parents, spouses and children for the first viewing of the 2012 holiday decorations at the White House in Washington November 28, 2012. REUTERS/Mary F. Calvert

U.S. first lady Michelle Obama smiles near children as military families, including Gold Star and Blue Star parents, spouses and children visit for the first viewing of the 2012 holiday decorations at the White House in Washington November 28, 2012. REUTERS/Mary F. Calvert

A Christmas decoration of the presidential dog Bo stands during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

Chicago artist David Lee Csicsko designed stained glass windows decorating the grand entryway at the White House in Washington, November 28, 2012. REUTERS/Mary F. Calvert

Live-garden Christmas decorations in the Green room during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

Christmas decorations in the Library during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON

A gingerbread White House and decorations hang in the State Dining Room during the first viewing of the White House 2012 holiday decorations in Washington, DC, November 28, 2012. AFP Photo/Jim WATSON