The Rev. Gene Robinson, a gay Episcopal bishop, will say a prayer at an inaugural event at the Lincoln Monument on Sunday; a gay and lesbian marching band will take its place in the official presidential parade; and a slew of gay parties and inaugural balls will be held in the nation's capital before and after Obama takes the oath of office.

But the gay-themed events have some conservative critics expressing concerns that while the celebration may be gay-friendly, it won't be family-friendly.