April 16, 2014 -- Updated 1334 GMT (2134 HKT)
Paul Saffo says current Google Glasses are doomed to become eBay collectibles, but they are only the leading edge of a surge in wearable tech that will change our lives
Frida Ghitis says President Obama needs to stop making empty threats against Russia.
Rick McGahey says Rep. Paul Ryan is signaling his presidential ambitions by appealing to hard core Republican values
Kathleen Blee says the KKK and white power or neo-Nazi groups give haters the purpose and urgency to use violence.
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