. >> this weekend, louis lairman and james grant look at ru returning to the gold standardard. our series on political figures who ran and lost but changed political history. sunday charles evans hughes at 7:30 p.m. american history tv this weekend on c-span3. author david ppetrusa writes. >> she says no. we need to pray for you. >> their campaigns. >> there are a lot of promises made. they said they would have to rent a large hall larger than this one to get all of the people that jack kennedy prom e promised the presidency to. >> calvin coolidge may have been -- of federal power to resist the temptation to extend it. >> this sunday on book tv your questions and comments for david petrusa live at noon eastern on in depth. also choauthor on this book. sunday night at 9:00. part of book tv this weekend on c-span c-sp c-span2. >> 162 countries have ratified the law of the sea. the senate foreign relations committee heard from members of the business committee that would be affected. testifying were representatives of the u.s. chamber of commercial, the national association of man