While the day job keeps Maria Bartiromo busy — with up to eight interviews a day on CNBC’s “Closing Bell” — the Columbus Day weekend is just as intense. The proud Italian-American emceed the Columbus Citizens Foundation Gala at the Waldorf Saturday night with Home Depot co-Founder Ken Langone honored as grand marshal of today’s Columbus Day Parade. Bartiromo also hosts WNBC’s live coverage of the parade with Joe Piscopo.