By Paul Yeager, author of Literally, the Best Language Book Ever and Weather Whys: Facts, Myths, and Oddities
Lead and led are two completely different words with completely different meanings, but since the past tense of the verb form of lead is pronounced the same as the noun form of the word lead, confusion runs rampant!!
For more information, read my most recent AIS Writing Tip, Confusing Word Pair: Lead and Led.