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Memo to Joe Biden, Elizabeth Warren and other liberals: Democrats are overwhelmingly ready for Hillary Clinton to run for the White House in 2016.

But is the general electorate ready? Well, not as much.

That’s the conclusion from new NBC News/Marist polls of Iowa and New Hampshire, where Clinton crushes Vice President Biden among Democratic voters in a hypothetical match up -- 70 percent to 20 percent in Iowa, and 74 percent to 18 percent in New Hampshire.

What’s more, Iowa Democrats view Clinton positively by a whopping 89 percent-to-6 percent score, and New Hampshire Dems are even more welcoming, giving her a 94 percent-to-4 percent favorable/unfavorable rating.

These numbers come as liberals begin gathering on Thursday for the three-day “Netroots Nation” conference in Detroit, where Biden, Warren and other Democratic politicians will address the annual progressive conference.

The NBC/Marist polls, however, did not test Warren in the hypothetical Democratic match ups.

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Full Iowa Poll Results

But if Clinton looks like an unbeatable juggernaut in the Democratic presidential race – if she runs, of course – she appears more vulnerable in a general-election contest.

In the presidential battleground state of Iowa, Clinton is tied with Sen. Rand Paul, R-Ky. (45 percent to 45 percent), and leads New Jersey Gov. Chris Christie by just 1 point (44 percent to 43 percent).

She holds larger leads against former Florida Gov. Jeb Bush (46 percent to 42 percent), Sen. Marco Rubio, R-Fla., (49 percent to 40 percent), Sen. Ted. Cruz, R-Texas, (49 percent to 37 percent) and Wisconsin Gov. Scott Walker (50 percent to 37 percent).

In hypothetical general-election match ups in New Hampshire, Clinton is ahead of Paul by 3 points (46 percent to 43 percent), Christie and Bush by 5 points (47 percent to 42 percent), Walker by 9 points (48 percent to 39 percent) and Cruz by 13 (51 percent to 38 percent).

Leading the GOP pack: Undecided

As for the Republican presidential primary field, 20 percent of GOP caucus-goers in Iowa and 22 percent of GOP New Hampshire primary voters say they are undecided about their pick in 2016.

Among the named individuals in Iowa, Bush and Paul are at the top of the crowded and close field with support from 12 percent of GOP caucus-goers; former vice-presidential nominee Paul Ryan gets 11 percent; former presidential candidate Rick Santorum gets 9 percent; and Christie gets 8 percent. No one else gets more than 7 percent.

When the Iowa Republicans were asked who their second choice would be, the top responses were Bush (12 percent), Santorum 11 (percent), Ryan (11 percent), Texas Gov. Rick Perry (11 percent) and Paul (10 percent).

Full New Hampshire Poll Results

Topping the field in New Hampshire: Paul (14 percent), Christie (13 percent), Bush (10 percent), Cruz (9 percent), and Ryan and Rubio (7 percent).

The second-choice picks in the Granite State: Rubio (16 percent), Bush (13 percent), Christie and Paul (12 percent) and Ryan (10 percent).

The NBC/Marist poll of Iowa was conducted July 7-13 of 558 potential Republican caucus-goers (+/- 4.1% margin of error), 538 potential Democratic caucus-goers (+/- 4.2%) and 1,599 potential general-election voters (+/- 2.5%).

The NBC/Marist poll of New Hampshire was conducted July 7-13 of 544 potential GOP primary voters (+/- 4.2%), 479 potential Democratic primary voters (+/- 4.5%) and 1,342 registered voters (+/- 2.7%)