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Rogelio V. Solis, AP
Former GOP presidential candidate Mitt Romney visits with diners at Little Dooey, a barbecue restaurant in Starkville, Miss., Wednesday, Jan. 28, 2015. Romney hasn't officially declared himself a presidential candidate again, but the 2012 Republican nominee looked and sounded like one during the stop in Mississippi.

Three weeks after unexpectedly saying he was considering another run for president, Mitt Romney plans to update supporters about his plans for the 2016 presidential campaign.

The Republican Party's 2012 nominee will host conference calls for staff and supporters late Friday morning.

Romney jumped back into the presidential discussion on Jan. 10, when he told a small group of former donors in New York that he was eyeing a third White House run.

In the days since, Romney has made calls to former donors and supporters, and given a few speeches in which he outlined his potential vision for another campaign.

But he's also run into defections among several majors fundraiser, who have told Romney they plan to support former Florida Gov. Jeb Bush in 2016.