By Marc Caputo (Politico) –
Marco Rubio won’t be endorsing Ted Cruz during the Republican presidential primary, but he’s likely to back the Texas senator at a contested convention — if it gets that far.
The de facto plan, Rubio’s backers say, is designed to help Cruz. It also, however, protects Rubio’s political future, including if he decides to make another run for the White House.
Immediately after Rubio dropped out of the presidential contest following his home state loss March 15, the Florida senator told supporters he would endorse Cruz under two conditions: if the Texas senator wanted the endorsement and if it would make a difference. But Rubio came to believe that neither Cruz nor he would really gain from an endorsement so far.
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