CHICAGO — When Democratic Gov. J.B. Pritzker claimed victory Tuesday night over a vanquished Republican Darren Bailey for a second term as Illinois governor, he also presented himself as a possible 2024 candidate for the White House if President Joe Biden opts not to seek a second term. In a speech unsparing in its attacks on the GOP with contours that went far beyond Illinois’ parochial borders, the billionaire progressive Democrat and Hyatt Hotel heir called himself a “warrior” ready to take on former Republican President Donald Trump and Trump allies in the years ahead. “Here we are, two ye…