need to know about the three federal by-elections in one post ?In general, these are so-called safe ridings. So I definitely doubt that they are going to switch. The leading parties in each riding has just got a huge lead,? Mr. Bozinoff said in a telephone interview on Monday. ?So, protest vote and all that? No, there?s not much of that going on.? On the other, he said, each of by-elections is an indicator of trends that are occurring in different parts of the country. The Victoria race, said Mr. Bozinoff, suggests declining Conservative fortunes in British Columbia, the Calgary by-election could test what is happening to the Liberals federally and the Durham results show no party is gaining traction in that part of Ontario. The survey of 422 randomly selected voters in Durham suggests that Conservative candidate Erin O?Toole would have taken 46 per cent of the ballots if the vote had been held last week. NDP candidate Larry O?Connor had the support of 24 per cent of respondents while Liberal Grant Humes had 20 per cent. The seat is up for grabs after the resignation of former International Development Minister Bev Oda, who was embarrassed by the opposition into repaying some of her travel expenses, including $16 for a glass of orange juice. In the 2011 general election, Ms. Oda took 54 per cent of the vote, said Mr. Bozinoff. So the Conservatives would seem to be down in that riding. In Durham, the Liberals would normally gain