That is a quite some distance from where he started, as a passionate left-wing student activist.
Between 1977 and 1982, as leader of a passionate and decidedly left-wing rock trio called the Jam, Mr. Weller captivated a generation of British youth with songs that set righteous fury and idealism to rough-hewn melodies and hopped-up beats.
Still, he has a passionate following among left-leaning voters for whom Clinton seems too moderate.
Made up of a passionate bunch of left-wing activists, the RIC campaigns not only for Scottish independence, but also for the radical approach to governance it hopes to see a new Scotland adopt should its citizens vote Yes this Thursday the 18th.
The left needs passionate young blood right now.
Japan has passionate ideologues, on both left and right, but precious little in between.
Now Ms. Ravitch, 75, is in the full flower of yet another stage in her career: folk hero to the left and passionate scourge of pro-business reformers.
"A really powerful, articulate, moral, passionate voice on the left," said Geoffrey Stone, a law professor at the University of Chicago, "would really change the dynamic on the court.
But what people such as Sanders have shown is that principled, passionate advocacy from the left on economic and social policy – and a clear, confident plan to go with it – really can hit home, and even leave people wanting more.
Get passionate about passion.
Tony Benn was for decades the most independent-minded, powerful and passionate voice of the hard-left at Westminster, and the man whose crusading zeal led to the new law which allowed him to renounce his own peerage and return to the House of Commons.
