This clearly violates the separation of church and state. If drivers want to advertise to the world that they're brainwashed, they already have the freedom to place stickers and other emblems on their vehicles. There is nothing for lawmakers to debate. The state government has no role in the support and promotion of any religion for any reason. Period.
MIAMI (AP) -- Florida drivers can order more than 100 specialty license plates celebrating everything from manatees to the Miami Heat, but one now under consideration would be the first in the nation to explicitly promote a specific religion.
The Florida Legislature is considering a specialty plate with a design that includes a Christian cross, a stained-glass window and the words "I Believe."
Rep. Edward Bullard, the plate's sponsor, said people who "believe in their college or university" or "believe in their football team" already have license plates they can buy. The new design is a chance for others to put a tag on their cars with "something they believe in," he said.
If the plate is approved, Florida would become the first state to have a license plate featuring a religious symbol that's not part of a college logo. Approval would almost certainly face a court challenge.(read full article)
Update: It appears that this is unlikely to come to pass in Florida; however a similar measure in South Carolina may have a chance (more from Atheist Revolution).