As we get older and older, it is nights like Saturday at the Clark County Fair that make us feel younger and younger.That was the vibe at the Grandstands for the I Love the 90’s Tour. “Everybody here is officially a teenager tonight,” Vanilla Ice told the crowd. And that was after Tone Loc did a little survey, asking folks to cheer for when they heard the decade they were born. The 2000s? Some cheers? The 90s? Some cheers. Same with the 80s. The…