In the Golden State one thing was made very clear to Leo Varadkar.  Foreign direct investment in Ireland from the biggest tech companies in the world is a package deal and with the thousands of jobs and the millions of euro in taxes comes a requirement for energy security.  The Tánaiste was on a springtime trade mission to California, visiting Google and other “top-tier firms” when a senior executive explained their vision of this delicate ecosystem.  Just as Switzerland’s status as a financial hub depends on its ability to securely store gold, the exec said, Ireland’s continued position as a…