The Democratic VP candidate repeatedly matches attacks on his running mate to those on Presidents Jefferson, Lincoln, Roosevelt, Kennedy in Greenville, North Carolina rally.
Notes challenges to Jefferson's Christianity, Lincoln's commitment to individual rights, FDR's change and whether it was safe to pick JFK.
Also repeats support for three-month moratorium on home foreclosures, and again calls on McCain to stop his "scurrilous" robocalls, saying "the purpose is to deliberately further divide the country."
