Today in History: February 12, Clinton acquitted in impeachment trial

Today in History: February 11, Nelson Mandela released from prison

DC students deliver famous ‘I Have a Dream’ speech at the Lincoln Memorial

DNA links man to two sexual assaults from 35 years ago, Montgomery Co. police say

Today in History: February 10, ‘Bridge of Spies’ prisoner exchange

Today in History: February 9, the Beatles first performance on ‘The Ed Sullivan Show’