New Delhi, April 11 -- In his first 100 days in office, New York City Mayor Zohran Mamdani has governed with a star power unusual in politics.

Crowds of supporters show up to his news conferences. Basic municipal services have been infused with newfound excitement. Celebrities help him promote his agenda.

In the process, he's been able to notch a few notable early wins. And he's reached a detente, at least for now, with President Donald Trump, a mercurial leader with an affinity for celebrities.

But as Mamdani, a Democrat, marks an early milestone in his mayoralty, it remains to be seen whether he'll be able to leverage his fame into achieving the progressive policy proposals that propelled him to office.

Though he still has staunch c...