Nov 19 (Reuters) - Air Canada AC.TO :
* Unveils major expansion to 12 U.S. destinations
* Says new non-stop services between 12 U.S. cities and its four key Canadian
hubs beginning next summer
* New routes announced today will be operated by Air Canada mainline, Air
Canada rouge and Air Canada express aircraft
* Source text for Eikon urn:newsml:reuters.com:*:nPn9SgQ82
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