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Tonight's Nightly Perspective: 5 Stories You Need to Know

<p>The news you care about from Brian Williams and the "Nightly News" team.</p>
Image: Arizona Governor Jan Brewer vetoes SB 1062
Image: Arizona Governor Jan Brewer vetoes SB 1062KPNX

Arizona Governor Jan Brewer Vetoes Anti-Gay Bill

Arizona Gov. Jan Brewer has vetoed a hot-button measure that would have permitted businesses in the state to deny service to gay and lesbians for religious beliefs.

Image: Arizona Governor Jan Brewer vetoes SB 1062KPNX

Kerry Rejects Cold War Mentality: ‘This Is Not Rocky IV’

Secretary of State John Kerry issued a stern warning to Russian President Vladimir Putin on Wednesday.

Study: Psychological Problems More Likely Among Children of Older Dads

New research published in the Journal of the American Medical Association shows children born to fathers 45 and older have an increased risk of certain disorders.

When It Comes to Pot, They Make No Apologies

A new breed of entrepreneurs, including a suburban mom, are hoping to cash in on the growing legitimacy of marijuana.

Why Your Pup Feels No Shame

It may seem as though your dog is filled with remorse after his or her latest bout of mischief but research suggests otherwise.