First of all there is nothing in the constitution itself stating that there must be a wall of seperation

This is a red herring. For this argument to stand we'd also need to do away with "separation of powers", "fair trial", and "Bill of Rights". None of these specific words appear in the Constitution either.

The government is not required to be an atheistic organization.

This is a straw man argument. The government is a secular, not an atheistic organization.

You are not required to jettison your religious beliefs when you enter government.

Another non-issue. No one said anything about getting rid of peoples beliefs. People in government are p...

First of all there is nothing in the constitution itself stating that there must be a wall of seperation

This is a red herring. For this argument to stand we'd also need to do away with "separation of powers", "fair trial", and "Bill of Rights". None of these specific words appear in the Constitution either.

The government is not required to be an atheistic organization.

This is a straw man argument. The government is a secular, not an atheistic organization.

You are not required to jettison your religious beliefs when you enter government.

Another non-issue. No one said anything about getting rid of peoples beliefs. People in government are prohibitied to use their role in government to promote religion. Government's power is to remain secular. This is as much to protect the citizens from religious coercion as to protect government from religious interference.

Thanksgiving would be the next target of the people opposed to this prayer proclamation.

Considering that Thanksgiving is arguably a pretty secular holiday I'm not sure what point you're trying to make. It sounds like you're just tossing out made up examples of persecution (like the "War on Christmas").

I certainly don't mind discussing these issues but prefer if arguments are based in fact instead of "talking points".