1: "Shapiro's praise for Biden"

2: "VP speculation heats up"

3: "Analysing Shapiro's endorsement"

4: "Biden's VP potential"

5: "Implications of Shapiro's support"

6: "Speculation on VP pick"

7: "Shapiro boosts Biden's chances"

8: "Political implications abound"

9: "Exploring the VP speculation"