Most of the money spent by the senator’s presidential campaign has gone to newly formed companies whose addresses are Staples stores in suburban strip malls.
The dismissals come as his campaign for the Republican nomination for president struggles to gain traction against former President Donald J. Trump, who is leading in polls.
Which presidential and Senate candidates are swimming in cash? Which ones are growing desperate? That and more will become clearer on Saturday, when campaigns must file their latest federal reports.