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Donald Trump endeavored on a mission to build a "Television City" for NBC and other networks in the 1980s, but he didn't get $700 million in tax breaks he requested from New York. Now, he's trying to secure funding for a wall on the southern border.
Back in 2004, Kamala Harris worked as district attorney for San Francisco, back when Gavin Newsom was mayor. Newsom is now California's governor and Harris is a US senator and a presidential candidate.
Sen. Kirsten Gillibrand of New York was once captain of the squash team at Dartmouth College — and now plays for the women's congressional softball team.
Rep. Tulsi Gabbard of Hawaii first worked as a legislative aide on Capitol Hill between her first and second deployments in the US Army in 2006. She is now a member of Congress herself.
In the early 1990s, Marianne Williamson first came onto the public scene as a motivational speaker. Now, she's the preferred spiritual guru of the Hollywood elite and a New York Times best-selling author.
Cory Booker lost his first run for mayor of Newark in 2002, but was elected to the position in 2006, then appointed to the US Senate in 2013. He announced his presidential campaign in the front yard of his Newark home.
Elizabeth Warren's decades of experience lecturing students as a law professor helped prepare her for life as a US senator from Massachusetts. She's now a presidential candidate speaking to crowds around the country.
Sen. Amy Klobuchar of Minnesota's first foray into public service was helping pass a law in Minnesota allowing mothers to stay with their newborns in the hospital for 48 hours. Klobuchar's daughter Abigail had to stay in the NICU after birth, but her insurance only covered a 24-hour stay.
For Julian Castro and his twin brother Joaquin, politics is the family business. Their mother Rosie was a political activist in the 1970s and 80s, and saw both her sons become elected officials in Texas.
Andrew Yang studied political science at Brown University and worked in business for most of his career. He's now returning to his roots in politics with a long-shot presidential bid.
Pete Buttigieg has never been one to shy away from competition or a challenge. He rowed for Pembroke College while a Rhodes scholar at Oxford University in 2005. He's now South Bend, Indiana's youngest mayor, and still serving in the Navy Reserves.
