Lincoln in National Politics--His Congressional Aspirations--Law-Partnership of Lincoln and Herndon--The Presidential Campaign of 1844--Visit to Henry Clay--Lincoln Elected to Congress--Congressional Reputation--Acquaintance with Distinguished Men--First Speech in Congress--"Getting the Hang" of the House--Lincoln's Course on the Mexican War--Notable Speech in Congress--Ridicule of General Cass--Bill for the Abolition of Slavery--Delegate to the Whig National Convention of 1848--Stumping the Country for Taylor--Advice to Young Politicians--"Old Abe"-- A Political Disappointment--Lincoln's Appearance as an Officer Seeker in Washington--"A Divinity that Shapes Our Ends".