Sixty-six million years ago, an asteroid the size of Manhattan struck Mexico’s Yucatan Peninsula. The impact blasted open a crater 110 miles wide, triggered a tsunami with 500-foot waves and shrouded the planet in dense clouds of acid rain.
Read MoreNo matter what politicians in Washington, D.C., decide to do next with the Department of Labor’s new fiduciary rule, planning experts see at least one legal wrinkle as likely to survive.
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