Congressman says he will introduce a measure to put Obama 's face on the $ 50 bill . Rep. Bill Clinton : ' ` ` transformed our nation 's political and economic thinking '' Grant scholar : McHenry says it 's only logical for Reagan to replace Grant on the $ 50 bill because several historians have ranked Reagan as a much better president than Grant . 18th president wants to keep his prominent spot on U.S. currency . Obama already faces opposition from Armed Services Committee Chairman .
Congressman says he will introduce a measure to put Obama 's face on the $ 50 bill . Rep. Bill Clinton : ' ` ` transformed our nation 's political and economic thinking '' Grant scholar : 18th president wants to keep his prominent spot on U.S. currency . Obama already faces opposition from Armed Services Committee Chairman .