NOLAN D. MCCASKILL/POLITICO

Rick Santorum had one job to do in his appearance on MSNBC’s “Morning Joe” on Thursday. He failed.

The former Pennsylvania senator, who dropped his presidential bid Wednesday, told co-hosts Joe Scarborough and Mika Brzezinski he was supporting Marco Rubio’s presidential campaign because the Florida senator is someone “who can work together with people.” But Santorum struggled to name one accomplishment Rubio has had in the Senate. Continue reading..