Journalist Evan Gershkovich 'humbled' by letter-writing campaign

Wall Street Journal reporter Evan Gershkovich has been detained in a Russian prison for more than a month, but he can still receive letters in the mail. So his colleagues launched a letter-writing campaign to boost his spirits. "I am humbled and deeply touched by all the letters I received," Gershkovich said through his lawyer. NBC’s Richard Engel reports for TODAY.