A recent piece by Conor Friedersdorf at The Atlantic explores the reasons it it so difficult for libertarianism to be taken seriously as a political movement.
If you want to get Ron Paul, Gary Johnson, or another liberty-minded individual into the White House, Friedersdorf's article is worth a read. It reveals how long and bumpy the road is.
Side note: also worth a quick read:
Why Does Ron Paul Scare You? - Conor Friedersdorf - Politics - The Atlantic
Why the Press Loves Jon Huntsman but Ignores Ron Paul - Conor Friedersdorf - Politics - The Atlantic

If you want to get Ron Paul, Gary Johnson, or another liberty-minded individual into the White House, Friedersdorf's article is worth a read. It reveals how long and bumpy the road is.

Side note: also worth a quick read:
Why Does Ron Paul Scare You? - Conor Friedersdorf - Politics - The Atlantic
Why the Press Loves Jon Huntsman but Ignores Ron Paul - Conor Friedersdorf - Politics - The Atlantic