By Jose Serrano ( | First Posted: Apr 10, 2015 09:23 PM EDT

New questions raised about Hillary Clinton’s e-mail use (Photo : PostTV VIDEO Print Scren )

Lover her or hate her, Hillary Clinton is ready to get her long-awaited presidential campaign running.

A Democrat close to Clinton's camp told Reuters on Friday that the former New York senator would announce her candidacy on social media this Sunday. Clinton is expected to post a video explaining what her rationale behind a second presidential run.

Sunday's announcement coincidentally falls a day before Florida Sen. Marco Rubio is expected to launch his own campaign.

Clinton's first official campaign event will be in Iowa next week where - unlike her Republican counterparts - she will hold small town hall-style discussions in lieu of large rallies and empowered speeches.

A high-profile figure since husband Bill Clinton won the presidency in 1992, Clinton faces numerous hurdles in leading the Democratic Party back to the White House, mainly in trying to get past controversial issues like the use of private e-mail to conduct government business.

Critics don't just worry about what Clinton may have deleted from her private server. They worry about what she still may be hiding. Both Clintons have repeatedly been investigated by GOP lawmakers on topics ranging from Hillary's handling of the Benghazi scandal to foreign donations given to the family's charitable foundation.

"I think there are things that went on at the Clinton Foundation that are going to shock people, and I think they're going to make people question whether or not she should be president," Kentucky Sen. Rand Paul said a day after launching his presidential campaign.

Republicans argue that Clinton is untrustworthy, and any benefit from election the nation's first female president is eliminated with the Clinton family's return to power.

Nevertheless, Clinton is the top dog in race that she's planned on winning since President Obama won in 2008. With that, here are three ways Clinton will unanimously win the Democratic nomination and quite possibly the 2016 presidency.

Learn from 2008 mistakes

Clinton was ahead of Obama heading into the 2008 Iowa caucus. Obama captivated voters with his "Change we can believe in" slogan. Clinton fell flat, delivering uninspired speeches while campaigning with a sense of entitlement to the nomination.

The former first lady doesn't have the president's charisma, but she does have his top campaign strategists. Atop her senior leadership team are Joel Benenson and Jim Margolis, Democratic operatives who worked on Obama's 2008 and 2012 runs.

Additionally, Clinton has made her presence as a female candidate known. In 2008, she didn't emphasize the moral and economic importance of gender equality. Now, Clinton argues that economic growth, foreign diplomacy, and national welfare all depend on gender discrimination.

Already secured a ton of endorsements

Clinton has already secured between 27 and 46 endorsements from Democratic senators, according to CNN. In 2000, it took George W. Bush his entire campaign to pick up 33 endorsements.

A March YouGov poll found Democrats believe Clinton is "about right" ideologically for the nomination. Most national polls agree. She is above 50 percent nationally, according to a Huffington Post poll. The only state she doesn't have a strong showing is in Iowa, which will be her first campaign stop early next week.

No viable candidates

There is no shortage of GOP nominees. Paul and Texas Sen. Ted Cruz already threw their hats in the race, and Rubio will do so soon. That doesn't even factor former Florida Gov. Jeb Bush, who's held fundraisers throughout the state of Texas.

The same can't be said about potential Democratic candidates. Clinton's chief competitors are: former Maryland Gov. Martin O'Malley, former Rhode Island Gov. Lincoln Chafee, former Republican Jim Webb, and Vermont Sen. Bernie Sanders.

Aside from the fact that Sanders is the only candidate still holding office, none have Clinton's notoriety. None have the appeal Obama displayed. That leaves Clinton as the only viable candidate.

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