Uh no. The Union was at war with the Confederacy, and the Emancipation Proclamation only applied on Confederate territory. It only applied to the ten states that were in rebellion, and did not free all slaves.
Slavery as an institution was not officially abolished until the passage of the 13th Amendment in 1865, two years after the EP.
Yes, the details . . I suspect that when the rivals appear on the 24 hour cable news shows, there won't be to much talk of the details - only the "grand vision of the idea" and how "we MUST do this now!!"
The republicrat followers of Obama in the House and Senate will lead the charge right over the cliff and any unintended consequences (if they're bad) will be laid squarely at the feet of the GOP