Posted: Apr 16, 2014 12:02 AM ET
The Boston bombings may trigger an increase in security at future marathons..but is there a limit to the security measures we'll accept?
Top News Headlines
Welcome to The National, the flagship nightly newscast of CBC News, hosted by Peter Mansbridge.
- 2 New York City police officers 'assassinated,' gunman kills self
- Amaria Diljohn ID'd as victim in Scarborough TTC bus hit-and-run
- Ian Bush charged in home invasion of Ottawa war veteran
- Mersane Warriain, Australian woman, charged with murdering 8 children
- Stéphanie Raymond wins step in military sexual assault case
- Bill Cosby sex accusations met with intentional silence: experts
- Ancient clay seals may shed light on biblical kings, government
- Pacific storm expected in B.C. this weekend could impact holiday travel
- SkyTrain electrical fire disrupts service in Richmond
- Li Yinhe, sexologist in China, reveals relationship with transgender man