Possible Clues:

• One may be able to vote Ronald in, but there'll be nothing positive about the result
• Particle with negative charge
• Vote for Ronald, even though tha's a little bit negative
• It would be a little negative to vote for Ronald like that
• Choose Ronald as a bit 3 down with negative result
• Choose man to identify subatomic particle
• Small matter of man's campaign slogan
• Small matter of what Americans did in 1980?
• It's a little bit negative so to give your vote to Ronald
• Choose nucleus of wrong particle