Ohio Gov. John Kasich is scheduled to announce his candidacy for the GOP presidential nomination today, bringing to 16 the total number of declared candidates. Bloomberg Politics reports on the expected launch:

Blue-Collar Conservative John Kasich Takes Aim at the White House

Ohio Governor John Kasich, seeking to emerge from a crowded Republican presidential field as a practical and compassionate leader from a must-win swing state, is expected to formally announce Tuesday that he’s running in 2016….

Kasich, who also ran briefly for president …