'ca_us' deals with aspects of the relationship between Canada & the United States.
The CBC's 'Continental Divide' view of Canadian / American relations. 
http://www.cbc.ca/canadaus/
CANADA, U.S. EYEING ST. LAWRENCE SEAWAY EXPANSION
The 44-year-old, 3,700-kilometre Great Lakes St. Lawrence Seaway could
be in for a multi-billion dollar facelift to open the route up to
oceangoing freighters.
FULL STORY:
http://cbc.ca/stories/2003/05/20/seaway_030520
U.S. BANS CANADIAN BEEF IMPORTS
A case of mad cow disease in Alberta has prompted the U.S. Agriculture
Department to impose a temporary ban on Canadian beef exports to the
United States.
FULL STORY: http://cbc.ca/stories/2003/05/20/madcow_canada030520
CANADIANS FURIOUS WITH U.S. WHEAT TARIFF
New tariffs by the U.S. Commerce Department against Canadian wheat
farmers "will be fought with everything we've got," Canada's minister
responsible for the Canadian Wheat Board said Friday.
FULL STORY:
http://cbc.ca/stories/2003/05/02/wheat_030502
CELLUCCI URGES CANADA TO JOIN MISSILE DEFENCE
Canada's decision on whether to join Washington's proposed missile
defence system will affect how the program is managed and controlled,
U.S. Ambassador Paul Cellucci said Friday.
FULL STORY: http://cbc.ca/stories/2003/05/02/missile_cellucci030502
U.S. WARNS CANADA AGAINST EASING POT LAWS
A top White House drug policy official is threatening retaliation from
the U.S. if Canada relaxes its laws against marijuana possession.
FULL STORY:
http://cbc.ca/stories/2003/05/02/us_pot_rxn030502
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