April 1 - April 7, 2012 (55 images)

Musician Karl Wolf arrives on the red carpet for the 2012 Juno Awards in Ottawa, Ontario on April 1, 2012. UPI Photo /Heinz Ruckemann

U.S. President Barack Obama (C) Prime Minister Stephen Harper of Canada (R) and President Felipe Calderon of Mexico walk to a joint press conference in the Rose Garden at the White House in Washington on April 2, 2012. UPI/Kevin Dietsch

U.S. President Barack Obama (C), Prime Minister Stephen Harper of Canada (R) and President Felipe Calderon of Mexico hold a joint press conference in the Rose Garden at the White House in Washington on April 2, 2012. UPI/Kevin Dietsch

Anthony Kiedis performs with the Red Hot Chili Peppers in concert, at the BankAtlantic Center in Sunrise, Florida on April 2, 2012. UPI/Michael Bush