Conservative MPs will be free to travel internationally over the holidays while their Liberal and NDP counterparts have been told to stay home. Politicians jet-setting to different vacation destinations drew much attention last year as federal and provincial governments told Canadians to forgo their travel and gathering plans to combat rising COVID-19 caseloads. The federal Liberal government issued Wednesday a new advisory urging Canadians to avoid non-essential international travel because of the threat posed by the highly contagious Omicron variant. A Liberal official said the governing party’s MPs have been informed that they are to abide by the public health advice and avoid non-essential international travel. Liberal House Leader Mark Holland told The Canadian Press he has already cancelled a planned international trip to celebrate a family member’s 70th birthday in January, and is cutting back on plans to have a Christmas gathering with more than 20 people. NDP whip Rachel Blaney said her caucus has also been …