The fastest growing chruches in the country today are affiliated not by denomination, but by size. So called, "MEGA CHURCHES" describe congregations numbering in the thousands. Some are housed in huge complexes that resemble business centers more than churces. These congregations are largely evangelical and suburban without many of the trapping of tradition and liturgy. Critics call them 'shopping mall' churches but even some mainline denominations are taking note, wondering what they can learn from the mega church movement. Mary Stucky reports...