Texas Gov. Rick Perry (R) will headline the California Republican Party's annual convention this fall.
Brown, touring the Iowa State Fair, said he was curious if there was support for a "bipartisan problem solver."
Sen. Amy Klobuchar (D-Minn.) will kick off a two-day swing through Iowa on Friday, stoking speculation that the two-term senator could be weighing a presidential bid.
Klobuchar is expected to appear at the annual "Wing Ding" fundraiser, which benefits North Iowa Democrats, on Friday night, according to the Quad City Times. She'll follow that appearance with a $50-per-head fundraiser at the home of Nan Riley, the widow of former state Rep. Tom Riley (D-Iowa).
The pair of appearances is seen as early posturing for a possible 2016 presidential bid.
Rudy Giuliani will host a fundraiser this month for New Jersey Gov. Chris Christie (R).
Howard Dean (D) is heading to Iowa, a decision that raises questions about a possible White House bid.
The Republican National Committee is considering conservative radio hosts Rush Limbaugh, Sean Hannity and Mark Levin as possible presidential debate moderators, according to the Washington Examiner.
Only a handful of Democrats are even circling Clinton, while the potential GOP field just continues to grow.
Two campaign finance watchdogs have filed a complaint with the Federal Election Commission charging Rick Santorum and staffers of his presidential campaign illegally directed donations to a super-PAC supporting the candidate's 2012 run.
Former Chicago Cub Ernie Banks didn't think then-Sen. Barack Obama should run for president in 2007 — and tried to tell him so.