Santorum is now the clear favorite of Republican and GOP-leaning voters who agree with the Tea Party, as well as white evangelical Republicans. Currently, 42% of Tea Party Republican voters favor Santorum, compared with just 23% who back Romney. Santorum holds an almost identical advantage among white evangelical Republican voters (41% to 23%)…

Obama leads Santorum by 10 points among all registered voters (53% to 43%) and his lead over Romney is nearly as large (52% to 44%). Romney ran about even with Obama in November and mid-January. Obama has a larger advantage over Newt Gingrich than over Santorum or Romney: Obama leads the former House speaker by 18 points (57% to 39%). Obama has made gains among independent voters. Today, 51% of independents favor Obama in a matchup against Romney, up from 40% a month ago.