Millions of dollars from wealthy donors have poured into the race for Colorado governor, much of which has been channeled into an advertising blitz in the lead-up to the June 30 primaries. In the Democratic race, Colorado Attorney General Phil Weiser has set a new fundraising record for a self-funded candidate in a gubernatorial primary, with $6,533,512 raised as of mid-June, according to campaign finance filings with the Colorado Secretary of …