Border bill powers would allow warrantless police requests to doctors, abortion clinics, hotels

They can try all they want. If it violates the Charter, it will never get past the debate stage before getting scrapped. There's no point in passing legislation that will just get thrown out the first time it goes to court.

You don't have to worry. There are already legal advocacy groups preparing to challenge it. It will never make it to a vote.

If it violates the Canadian Charter, then it won't pass the debate stage, which means it won't even make it to a vote.

No one because we didn't get enough votes to get to veto or at least delay.