Presidents facing opposition to key policies or legislative positions will often:

a. deny party campaign funds to members opposing the bill.
b. cite opinion polls to pressure congress to support their legislative agenda.
c. hold a press conferences to demonstrate their power.
d. use the mass media to take their case directly to the american people.
e. appeal to special interest groups.

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion