AM BRIEF: OCTOBER 29, 2010

1. Candidates, groups getting involved in guarding against voting fraud. [Kansas City Star]
2. Cement used on BP's Gulf Oil Rig was 'flawed'. [SkyNews]
3. South Korea says North Korea opens fire at heavily fortified border. [Chicago Tribune from AP]
4. Capitol Hill's 'Camelot' era coming to an end. [The Washington Times]
5. Redbox keeps growing, works on digital partnership. [The Seattle Times]
6. Researchers report a big leap in mapping genetic variants. [Los Angeles Times]