Fresh, dry air? Check.  300 sunny days a year? Check.  A minimalist desert landscape framed by mountains? Check. 'Desert Modern' Mid-Century design and architecture and breezy, indoor/outdoor cocktail lifestyle? Check.  Natural hot springs and more golf than anywhere else in California? Check and Check. It's been a while since BestTrip.TV traveled to a vacation destination that wasn't coastal.  Find out why we've fallen in love with the mountain/desert hangout of the Rat Pack and all the Hollywood cool cats: Palm Springs,...