But the majority of Americans say they tip 15 per cent or less for a typical meal at a sit-down restaurant, according to a wide-ranging new poll on tipping attitudes from Pew Research Center. As the grocery code of conduct nears completion, the Canadian industry's biggest player is raising concerns the guidelines could add fuel to the food inflation fire. 'From the river to the sea,' has become a battle cry with new power to roil Jews and pro-Palestinian activists in the aftermath of Hamas' deadly rampage across southern Israel Oct. 7 and Israel's bombardment of the Gaza Strip.