Roger Sewani says Donald Trump will win the next presidential election in a landslide. (ABC News: James Glenday)
Roger Sewani moved from Mumbai to New York City 35 years ago to chase the American dream.
- Mr Sewani says most of his business at his Trump Tower store comes from foreign tourists
- Customers threatened boycotts in his other New York stores when he tried to sell Trump souvenirs there
- He says he has met Mr Trump many times, and the President once agreed to slightly reduce his…