On to the tough sell.

Considers the North American Free Trade Agreement, and the problems that Prime Minister Brian Mulroney, President George Bush and Mexican President Carlos Salinas de Gortari are likely to have selling it to their respective legislatures. Short-term costs of adjustment; Sales job facing Mulroney; Current unemployment in Canada; Preliminary summary of the agreement; Comments. INSET: A blueprint for freer markets, by Julie Cazzin..