Russian President Vladimir Putin signed treaties Friday to annex parts of Ukraine in defiance of international law, saying Moscow would protect the newly incorporated regions by “all available means.” Minneapolis Mayor Jacob Frey said Thursday that he is nominating a former public safety director from Newark, New Jersey, as his top pick for the city’s next police chief. A suicide bomber struck an education center in a Shiite area of the Afghan capital on Friday, killing 19 people and wounding 27, including teenagers who were taking university practice entry exams, a Taliban spokesman said. Cam Kauffman has today’s News in :90.