Monday, Jan. 21, is the 21st day of 2013. There are 344 days left in the year. This is the Martin Luther King Jr. holiday.

Today’s birthdays: World Golf Hall of Famer Jack Nicklaus is 73. Opera singer Placido Domingo is 72. Singer Richie Havens is 72. Attorney General Eric Holder is 62. Microsoft cofounder Paul Allen is 60. Actress Geena Davis is 57. Rock singer-songwriter Cat Power is 41.