MILWAUKEE — Wisconsin Gov. Scott Walker, New Jersey Gov. Chris Christie and Maryland Gov. Martin O'Malley are among 23 governors attending a national meeting in Milwaukee.

The National Governors Association meeting began Friday and continues into Sunday.

Of the 23 governors attending, 12 are Republicans and 11 are Democrats, including Rhode Island Gov. Lincoln Chafee who previously was a Republican and most recently an independent.

Walker and Christie, both Republicans, and the Democrat O'Malley are all looking at running for president in 2016.

The meeting includes sessions on cybersecurity, cutting health care costs and homeland security.

Walker plans to lead the governors on a Harley Davidson ride through the streets of Milwaukee on Friday night.

Other governors attending include Minnesota Gov. Mark Dayton, Arizona Gov. Jan Brewer and Illinois Gov. Pat Quinn.