Washington D.C. For the first time in American history, the signature of a sitting president will be printed on paper currency (dollars). According to an announcement made by the U.S. Treasury Department on Thursday, currency bearing President Donald Trump's signature will enter circulation starting this coming summer.This new design of notes, being introduced to mark the 250th anniversary of American independence, also ends a long administrative tradition that has been in place for the past 165 years. Since 1861, the signature of the Treasurer has been mandatory on U.S. federal currency. However, the Treasurer's signature will now be removed and...