After a tumultuous year in travel that brought confusing new airport security rules, airport closings, mergers and talk of more mergers, what's ahead for travelers in 2007?

MSNBC's Ed Hewitt is seeing a number of key trends that are sure to impact travelers in the coming year, including the opening up of many Asian countries, especially China; the flood of financially and physically fit baby boomers into the ranks of the recently retired; changing security requirements, especially for passports; and the continued growth of niche travel.

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