The numbers: U.S. job openings climbed to a record 11.55 in March -- and the number of people quitting also hit an all-time high -- in another sign of a historically tight labor market. The number of people who quit jobs in March rose to 4.54 million, the Labor Department said Tuesday. Quits topped 4 million last summer for the first time ever. And it's now happened 10 months in a row, part of a pandemic-era trend that's become known as "The Great Resignation." Before the pandemic, the number of people quitting jobs averaged fewer than 3 million a month....