1972President Richard Nixon (R-CA) / Vice President Spiro Agnew (R-MD)
Senator Walter Mondale (D-MN) / Fmr. Ambassador Sargent Shriver (D-MD)
Swing and a miss for a standard New Dealer right after the collapse of the New Deal Coalition. Mondale picks Shriver to shore up foreign policy.
1984President Ronald Reagan (R-CA) / Vice President George Bush (R-TX) ✓
Fmr. Senator George McGovern (D-SD) / Congresswoman Geraldine Ferraro (D-NY)
Actually, McGovern does better. Farm issues were his thing, and with the Farm Credit System and the USDA only forced to admit that the farm debt problem existed in 1985, there was definitely a lane for a prairie populist. He was a fighter who could rally liberals more effectively, drawing out the Moral Majority and other new religious right forces and cutting into Reagan's sunny optimism. He also probably ends up with Ferraro as running mate, funny enough- pretty sure his Americans for Common Sense PAC supported her in 1982. Still loses big though.