[Dog Gone]

Each State shall appoint, in such Manner as the Legislature thereof may direct, a Number of Electors, equal to the whole Number of Senators and Representatives to which the State may be entitled in the Congress:

I guess you're ignoring or misconsturing this provision. This means the state legislature can figure out where and when to choose the electoral college. Clause 4 sets a potential deadline for them doing so.

Get over it. Early voting is no more illegal than absentee voting.

[Iwo Jima]

There's no reason to add rudeness to error. Why would you state that I was ignoring a provision which I just quoted to you?

If I am not mistaken, this was covered most recently in Bush v. Gore. "Manner" means "manner." It does not mean date. The states could not set different election dates.

The Constitution certainly does state that there shall only be one date, and it shall be that as set by Congress. The date set is not a deadline -- IT IS THE DATE, THE ONE AND ONLY DATE.