By Christopher Reynolds Canadian shippers have started to hold back merchandise and postpone delivery schedules as they scramble to find the tariff money to get their goods across the border. Some manufacturers and exporters that had banked on hauling cargo into the United States free of charge are now struggling to find the necessary cash, prompting transport delays, customs brokers say. U.S. President Donald Trump imposed 50 per cent tariffs on about US$20 billion worth of Canadian products over the weekend after trade talks collapsed, affecting sectors ranging from textiles to toiletries, tulips and toys. Lisa McEwan, co-owner of Toronto-based customs brokerage Hemisphere Freight, says clients who make sweatshirts, metal coils, agricultural machinery and other items have all pushed back shipments as they look to float thousands more dollars in…




