library museum opened a $500,000 updated version of its watergate exhibit. it now includes the lock picking tools used to break into that democratic party headquarters as well as a lighted display showing where nixon hid microphones in the oval office and other rooms. it s time for today s number ones. first, taking stock of wall street in the white house. which recent president has been best for the stock market? > times have changed,s and s have i. i m no longer just a candidate. i m the president. and would you have guessed it? yes, it s president obama. cnbc compares the s&p performance over the first 43 1/2 months to posesses all the way back to jimmy carter. the s&p has gone up much better under president obama than many others. under president clinton it was