Trudeau separates from wife after 18 years, faces political test
- Trudeau and his wife Sophie Grégoire separated after 18 years of marriage.
- Trudeau's image as a modern family man was key to his political rise.
- Experts say the separation is unlikely to damage Trudeau politically.
- The breakup draws comparisons to Trudeau's father Pierre's high-profile separation while prime minister.
- Trudeau will aim to acknowledge the personal pain while maintaining his positive public image.
Boston Globe 
