How inclusive is the National Day of Prayer?

The Christian Science Monitor carries this report. It begins:

On Thursday, several million Americans will gather in special observances across the country to mark the National Day of Prayer, first inaugurated by Congress in 1952.

Under the energetic sponsorship of a national task force, the events have mushroomed into the thousands in recent years. They are held at houses of worship but also schools, courthouses, city halls, state houses, and at the White House and on Capitol Hill.

This year, however, voices are being raised to challenge the religiously exclusive nature of the task-force effort, which is coordinated by conservative Christians who have encouraged government leaders’ involvement in their events but rejected direct participation by other faith leaders . . .