Washington - The billionaire running for president now seeks to convince millions of Americans to give him money.

With the simple tap of the “send” button one day last week, Donald Trump collected $3 million in campaign contributions ” as much as he did in the entire month of May. He had asked for donations of $10 or more, with the promise of chipping in $2 million of his own money to match those that arrived.

That one-day haul from Trump’s first fundraising appeal is early evidence of the digital magic it takes to fill campaign coffers Bernie Sanders-style — millions of people, each giving a few bucks.

Yet that was just one email. Success demands repetition.... Read More: VIN