Understanding the 'why' doesn't ease the pain at the pump... with Americans already feeling the sting of higher gas prices - what could be the larger impact on the US economy as a whole? (at 15:21) --- Automation is already an everyday fact of life, but experts say we've only seen the tip of the iceberg... will so-called 'intelligent automation' finally make humans obsolete? (at 25:41) --- Despite skyrocketing gas prices, Americans say they're still determined to travel this season... and our neighbors to the north are rolling out the red carpet to tourists once again (at 44:42)